source : self made to understand the concept.

1. A general survey of the state of delhi demonstrates that there is now one communiy service center for every fifty villages, ten times as many as there were six years ago.
2. A general survey of the state of delhi demonstrates that every fifty villages now has one communiy service center, ten times as many as six years ago.
3. A general survey of the state of delhi demonstrates that every fifty villages now has one communiy service center, ten times as many as there were six years ago.
Please clear my doubt:
I have understanding that modifier modifies the noun, it touches upon. However, i am still in doubt
whether red bold phrase modifies community service center or fifty villages in above three sentences. please answer?
Does second sentence maintains parallelism on both sides of the ten times as many as ?