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Answer:
78.787878787879
Step-by-step explanation:
Solution:
Since
60 : 99 = X : 130
Then we know
60/99 = X/130
Multiplying both sides by 130 cancels on the right
130 × (60/99) = (X/130) × 130
130 × (60/99) = X
Then solving for X
X = 130 × (60/99)
X = 78.787878787879
Therefore
60 : 99 = 78.787878787879 : 130