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Finding the Fourth Proportional to 83,167.29, 124,835.04 and 73,739.97

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Solution

The fourth proportional to 83,167.29, 124,835.04 and 73,739.97 is: 110,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,167.29 : 124,835.04 = 73,739.97 : x
  2. Step 2: Convert to fraction form
    83,167.29/124,835.04 = 73,739.97/x
  3. Step 3: Cross multiply
    83,167.29x = 124,835.04 × 73,739.97
  4. Step 4: Simplify right side
    83,167.29x = 9,205,332,104.55
  5. Step 5: Solve for x
    x = 9,205,332,104.55/83,167.29
  6. Step 6: Final answer
    x = 110,684.53

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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.