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Finding the Fourth Proportional to 66,472,294.40, 99,708,441.60 and 41,551,769.60

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Solution

The fourth proportional to 66,472,294.40, 99,708,441.60 and 41,551,769.60 is: 62,327,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472,294.40 : 99,708,441.60 = 41,551,769.60 : x
  2. Step 2: Convert to fraction form
    66,472,294.40/99,708,441.60 = 41,551,769.60/x
  3. Step 3: Cross multiply
    66,472,294.40x = 99,708,441.60 × 41,551,769.60
  4. Step 4: Simplify right side
    66,472,294.40x = 4,143,062,192,538,255.50
  5. Step 5: Solve for x
    x = 4,143,062,192,538,255.50/66,472,294.40
  6. Step 6: Final answer
    x = 62,327,654.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.