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Finding the Fourth Proportional to 59,098,691.80, 88,648,037.70 and 57,838,979.80

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Solution

The fourth proportional to 59,098,691.80, 88,648,037.70 and 57,838,979.80 is: 86,758,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,098,691.80 : 88,648,037.70 = 57,838,979.80 : x
  2. Step 2: Convert to fraction form
    59,098,691.80/88,648,037.70 = 57,838,979.80/x
  3. Step 3: Cross multiply
    59,098,691.80x = 88,648,037.70 × 57,838,979.80
  4. Step 4: Simplify right side
    59,098,691.80x = 5,127,312,061,839,938
  5. Step 5: Solve for x
    x = 5,127,312,061,839,938/59,098,691.80
  6. Step 6: Final answer
    x = 86,758,469.70

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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.