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Finding the Fourth Proportional to 124,502.47, 171,813.05 and 67,913.44

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Solution

The fourth proportional to 124,502.47, 171,813.05 and 67,913.44 is: 93,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,502.47 : 171,813.05 = 67,913.44 : x
  2. Step 2: Convert to fraction form
    124,502.47/171,813.05 = 67,913.44/x
  3. Step 3: Cross multiply
    124,502.47x = 171,813.05 × 67,913.44
  4. Step 4: Simplify right side
    124,502.47x = 11,668,414,747.97
  5. Step 5: Solve for x
    x = 11,668,414,747.97/124,502.47
  6. Step 6: Final answer
    x = 93,720.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.