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Finding the Fourth Proportional to 60,689,601.60, 91,034,402.40 and 34,755,280.80

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Solution

The fourth proportional to 60,689,601.60, 91,034,402.40 and 34,755,280.80 is: 52,132,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689,601.60 : 91,034,402.40 = 34,755,280.80 : x
  2. Step 2: Convert to fraction form
    60,689,601.60/91,034,402.40 = 34,755,280.80/x
  3. Step 3: Cross multiply
    60,689,601.60x = 91,034,402.40 × 34,755,280.80
  4. Step 4: Simplify right side
    60,689,601.60x = 3,163,926,217,872,194
  5. Step 5: Solve for x
    x = 3,163,926,217,872,194/60,689,601.60
  6. Step 6: Final answer
    x = 52,132,921.20

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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.