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Finding the Fourth Proportional to 179,634.60, 269,451.90 and 113,149.80

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Solution

The fourth proportional to 179,634.60, 269,451.90 and 113,149.80 is: 169,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,634.60 : 269,451.90 = 113,149.80 : x
  2. Step 2: Convert to fraction form
    179,634.60/269,451.90 = 113,149.80/x
  3. Step 3: Cross multiply
    179,634.60x = 269,451.90 × 113,149.80
  4. Step 4: Simplify right side
    179,634.60x = 30,488,428,594.62
  5. Step 5: Solve for x
    x = 30,488,428,594.62/179,634.60
  6. Step 6: Final answer
    x = 169,724.70

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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.