P ∶ Q = 3 ∶ 5 మరియు P ∶ R = 2 ∶ 3 అయితే, 3P ∶ 4Q ∶ 3R విలువ ఎంత?

1
12 ∶ 8 ∶ 9
2
18 ∶ 40 ∶ 27
3
10 ∶ 5 ∶ 4
4
9 ∶ 5 ∶ 4

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