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Finding the Fourth Proportional to 125,060.52, 172,587.87 and 68,472.30

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Solution

The fourth proportional to 125,060.52, 172,587.87 and 68,472.30 is: 94,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,060.52 : 172,587.87 = 68,472.30 : x
  2. Step 2: Convert to fraction form
    125,060.52/172,587.87 = 68,472.30/x
  3. Step 3: Cross multiply
    125,060.52x = 172,587.87 × 68,472.30
  4. Step 4: Simplify right side
    125,060.52x = 11,817,488,411.00
  5. Step 5: Solve for x
    x = 11,817,488,411.00/125,060.52
  6. Step 6: Final answer
    x = 94,494.16

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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.