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Finding the Fourth Proportional to 124,538.58, 171,863.91 and 67,951.17

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Solution

The fourth proportional to 124,538.58, 171,863.91 and 67,951.17 is: 93,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,538.58 : 171,863.91 = 67,951.17 : x
  2. Step 2: Convert to fraction form
    124,538.58/171,863.91 = 67,951.17/x
  3. Step 3: Cross multiply
    124,538.58x = 171,863.91 × 67,951.17
  4. Step 4: Simplify right side
    124,538.58x = 11,678,353,765.27
  5. Step 5: Solve for x
    x = 11,678,353,765.27/124,538.58
  6. Step 6: Final answer
    x = 93,772.98

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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.