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Finding the Fourth Proportional to 67,324.97, 100,990.02 and 25,200.61

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Solution

The fourth proportional to 67,324.97, 100,990.02 and 25,200.61 is: 37,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,324.97 : 100,990.02 = 25,200.61 : x
  2. Step 2: Convert to fraction form
    67,324.97/100,990.02 = 25,200.61/x
  3. Step 3: Cross multiply
    67,324.97x = 100,990.02 × 25,200.61
  4. Step 4: Simplify right side
    67,324.97x = 2,545,010,107.91
  5. Step 5: Solve for x
    x = 2,545,010,107.91/67,324.97
  6. Step 6: Final answer
    x = 37,801.88

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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.