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Finding the Fourth Proportional to 136,600.77, 204,591.72 and 73,310.61

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Solution

The fourth proportional to 136,600.77, 204,591.72 and 73,310.61 is: 109,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,600.77 : 204,591.72 = 73,310.61 : x
  2. Step 2: Convert to fraction form
    136,600.77/204,591.72 = 73,310.61/x
  3. Step 3: Cross multiply
    136,600.77x = 204,591.72 × 73,310.61
  4. Step 4: Simplify right side
    136,600.77x = 14,998,743,794.15
  5. Step 5: Solve for x
    x = 14,998,743,794.15/136,600.77
  6. Step 6: Final answer
    x = 109,799.85

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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.