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Finding the Fourth Proportional to 124,553.31, 171,881.96 and 67,963.71

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Solution

The fourth proportional to 124,553.31, 171,881.96 and 67,963.71 is: 93,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.31 : 171,881.96 = 67,963.71 : x
  2. Step 2: Convert to fraction form
    124,553.31/171,881.96 = 67,963.71/x
  3. Step 3: Cross multiply
    124,553.31x = 171,881.96 × 67,963.71
  4. Step 4: Simplify right side
    124,553.31x = 11,681,735,343.85
  5. Step 5: Solve for x
    x = 11,681,735,343.85/124,553.31
  6. Step 6: Final answer
    x = 93,789.04

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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.