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Finding the Fourth Proportional to 71,063,998.40, 106,595,997.60 and 59,584,872.80

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Solution

The fourth proportional to 71,063,998.40, 106,595,997.60 and 59,584,872.80 is: 89,377,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063,998.40 : 106,595,997.60 = 59,584,872.80 : x
  2. Step 2: Convert to fraction form
    71,063,998.40/106,595,997.60 = 59,584,872.80/x
  3. Step 3: Cross multiply
    71,063,998.40x = 106,595,997.60 × 59,584,872.80
  4. Step 4: Simplify right side
    71,063,998.40x = 6,351,508,957,985,105
  5. Step 5: Solve for x
    x = 6,351,508,957,985,105/71,063,998.40
  6. Step 6: Final answer
    x = 89,377,309.20

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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.