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Finding the Fourth Proportional to 96,342,940.80, 144,472,420.80 and 38,816,092.80

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Solution

The fourth proportional to 96,342,940.80, 144,472,420.80 and 38,816,092.80 is: 58,207,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,342,940.80 : 144,472,420.80 = 38,816,092.80 : x
  2. Step 2: Convert to fraction form
    96,342,940.80/144,472,420.80 = 38,816,092.80/x
  3. Step 3: Cross multiply
    96,342,940.80x = 144,472,420.80 × 38,816,092.80
  4. Step 4: Simplify right side
    96,342,940.80x = 5,607,854,892,813,450
  5. Step 5: Solve for x
    x = 5,607,854,892,813,450/96,342,940.80
  6. Step 6: Final answer
    x = 58,207,221.48

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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.