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Finding the Fourth Proportional to 67,155,061.60, 100,732,592.40 and 52,542,402.40

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Solution

The fourth proportional to 67,155,061.60, 100,732,592.40 and 52,542,402.40 is: 78,813,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155,061.60 : 100,732,592.40 = 52,542,402.40 : x
  2. Step 2: Convert to fraction form
    67,155,061.60/100,732,592.40 = 52,542,402.40/x
  3. Step 3: Cross multiply
    67,155,061.60x = 100,732,592.40 × 52,542,402.40
  4. Step 4: Simplify right side
    67,155,061.60x = 5,292,732,404,675,982
  5. Step 5: Solve for x
    x = 5,292,732,404,675,982/67,155,061.60
  6. Step 6: Final answer
    x = 78,813,603.60

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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.