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Finding the Fourth Proportional to 124,182, 171,371.97 and 67,593.78

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Solution

The fourth proportional to 124,182, 171,371.97 and 67,593.78 is: 93,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,182 : 171,371.97 = 67,593.78 : x
  2. Step 2: Convert to fraction form
    124,182/171,371.97 = 67,593.78/x
  3. Step 3: Cross multiply
    124,182x = 171,371.97 × 67,593.78
  4. Step 4: Simplify right side
    124,182x = 11,583,679,238.35
  5. Step 5: Solve for x
    x = 11,583,679,238.35/124,182
  6. Step 6: Final answer
    x = 93,279.86

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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.