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Finding the Fourth Proportional to 117,658.60, 176,449.98 and 38,754.04

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Solution

The fourth proportional to 117,658.60, 176,449.98 and 38,754.04 is: 58,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,658.60 : 176,449.98 = 38,754.04 : x
  2. Step 2: Convert to fraction form
    117,658.60/176,449.98 = 38,754.04/x
  3. Step 3: Cross multiply
    117,658.60x = 176,449.98 × 38,754.04
  4. Step 4: Simplify right side
    117,658.60x = 6,838,149,582.92
  5. Step 5: Solve for x
    x = 6,838,149,582.92/117,658.60
  6. Step 6: Final answer
    x = 58,118.57

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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.