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Finding the Fourth Proportional to 125,103.88, 187,594.26 and 58,508.92

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Solution

The fourth proportional to 125,103.88, 187,594.26 and 58,508.92 is: 87,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,103.88 : 187,594.26 = 58,508.92 : x
  2. Step 2: Convert to fraction form
    125,103.88/187,594.26 = 58,508.92/x
  3. Step 3: Cross multiply
    125,103.88x = 187,594.26 × 58,508.92
  4. Step 4: Simplify right side
    125,103.88x = 10,975,937,550.80
  5. Step 5: Solve for x
    x = 10,975,937,550.80/125,103.88
  6. Step 6: Final answer
    x = 87,734.59

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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.