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Finding the Fourth Proportional to 125,702.60, 188,615.34 and 59,149.34

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Solution

The fourth proportional to 125,702.60, 188,615.34 and 59,149.34 is: 88,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,702.60 : 188,615.34 = 59,149.34 : x
  2. Step 2: Convert to fraction form
    125,702.60/188,615.34 = 59,149.34/x
  3. Step 3: Cross multiply
    125,702.60x = 188,615.34 × 59,149.34
  4. Step 4: Simplify right side
    125,702.60x = 11,156,472,874.88
  5. Step 5: Solve for x
    x = 11,156,472,874.88/125,702.60
  6. Step 6: Final answer
    x = 88,752.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.