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Finding the Fourth Proportional to 124,854.52, 187,287.25 and 36,117

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Solution

The fourth proportional to 124,854.52, 187,287.25 and 36,117 is: 54,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,854.52 : 187,287.25 = 36,117 : x
  2. Step 2: Convert to fraction form
    124,854.52/187,287.25 = 36,117/x
  3. Step 3: Cross multiply
    124,854.52x = 187,287.25 × 36,117
  4. Step 4: Simplify right side
    124,854.52x = 6,764,253,608.25
  5. Step 5: Solve for x
    x = 6,764,253,608.25/124,854.52
  6. Step 6: Final answer
    x = 54,177.08

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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.