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Finding the Fourth Proportional to 60,646,829.70, 90,970,244.55 and 54,096,327.30

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Solution

The fourth proportional to 60,646,829.70, 90,970,244.55 and 54,096,327.30 is: 81,144,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,646,829.70 : 90,970,244.55 = 54,096,327.30 : x
  2. Step 2: Convert to fraction form
    60,646,829.70/90,970,244.55 = 54,096,327.30/x
  3. Step 3: Cross multiply
    60,646,829.70x = 90,970,244.55 × 54,096,327.30
  4. Step 4: Simplify right side
    60,646,829.70x = 4,921,156,123,737,841
  5. Step 5: Solve for x
    x = 4,921,156,123,737,841/60,646,829.70
  6. Step 6: Final answer
    x = 81,144,490.95

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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.