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Finding the Fourth Proportional to 83,229,648.60, 124,844,472.90 and 29,382,403.80

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Solution

The fourth proportional to 83,229,648.60, 124,844,472.90 and 29,382,403.80 is: 44,073,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,229,648.60 : 124,844,472.90 = 29,382,403.80 : x
  2. Step 2: Convert to fraction form
    83,229,648.60/124,844,472.90 = 29,382,403.80/x
  3. Step 3: Cross multiply
    83,229,648.60x = 124,844,472.90 × 29,382,403.80
  4. Step 4: Simplify right side
    83,229,648.60x = 3,668,230,714,945,957.50
  5. Step 5: Solve for x
    x = 3,668,230,714,945,957.50/83,229,648.60
  6. Step 6: Final answer
    x = 44,073,605.70

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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.