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Finding the Fourth Proportional to 317,348.60, 475,723.56 and 106,839.32

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Solution

The fourth proportional to 317,348.60, 475,723.56 and 106,839.32 is: 160,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,348.60 : 475,723.56 = 106,839.32 : x
  2. Step 2: Convert to fraction form
    317,348.60/475,723.56 = 106,839.32/x
  3. Step 3: Cross multiply
    317,348.60x = 475,723.56 × 106,839.32
  4. Step 4: Simplify right side
    317,348.60x = 50,825,981,658.38
  5. Step 5: Solve for x
    x = 50,825,981,658.38/317,348.60
  6. Step 6: Final answer
    x = 160,158.20

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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.