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Finding the Fourth Proportional to 67,229.73, 100,836.33 and 17,310.11

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Solution

The fourth proportional to 67,229.73, 100,836.33 and 17,310.11 is: 25,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,229.73 : 100,836.33 = 17,310.11 : x
  2. Step 2: Convert to fraction form
    67,229.73/100,836.33 = 17,310.11/x
  3. Step 3: Cross multiply
    67,229.73x = 100,836.33 × 17,310.11
  4. Step 4: Simplify right side
    67,229.73x = 1,745,487,395.20
  5. Step 5: Solve for x
    x = 1,745,487,395.20/67,229.73
  6. Step 6: Final answer
    x = 25,963.03

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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.