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Finding the Fourth Proportional to 225,753,195.60, 338,629,793.40 and 72,414,752.40

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Solution

The fourth proportional to 225,753,195.60, 338,629,793.40 and 72,414,752.40 is: 108,622,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,753,195.60 : 338,629,793.40 = 72,414,752.40 : x
  2. Step 2: Convert to fraction form
    225,753,195.60/338,629,793.40 = 72,414,752.40/x
  3. Step 3: Cross multiply
    225,753,195.60x = 338,629,793.40 × 72,414,752.40
  4. Step 4: Simplify right side
    225,753,195.60x = 24,521,792,644,324,156
  5. Step 5: Solve for x
    x = 24,521,792,644,324,156/225,753,195.60
  6. Step 6: Final answer
    x = 108,622,128.60

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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.