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Finding the Fourth Proportional to 119,493.52, 179,267.28 and 39,531.30

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Solution

The fourth proportional to 119,493.52, 179,267.28 and 39,531.30 is: 59,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,493.52 : 179,267.28 = 39,531.30 : x
  2. Step 2: Convert to fraction form
    119,493.52/179,267.28 = 39,531.30/x
  3. Step 3: Cross multiply
    119,493.52x = 179,267.28 × 39,531.30
  4. Step 4: Simplify right side
    119,493.52x = 7,086,668,363.86
  5. Step 5: Solve for x
    x = 7,086,668,363.86/119,493.52
  6. Step 6: Final answer
    x = 59,305.88

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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.