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Finding the Fourth Proportional to 179,366.60, 269,049.90 and 54,691.40

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Solution

The fourth proportional to 179,366.60, 269,049.90 and 54,691.40 is: 82,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,366.60 : 269,049.90 = 54,691.40 : x
  2. Step 2: Convert to fraction form
    179,366.60/269,049.90 = 54,691.40/x
  3. Step 3: Cross multiply
    179,366.60x = 269,049.90 × 54,691.40
  4. Step 4: Simplify right side
    179,366.60x = 14,714,715,700.86
  5. Step 5: Solve for x
    x = 14,714,715,700.86/179,366.60
  6. Step 6: Final answer
    x = 82,037.10

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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.