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Finding the Fourth Proportional to 317,187.34, 475,781.82 and 106,972.90

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Solution

The fourth proportional to 317,187.34, 475,781.82 and 106,972.90 is: 160,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,187.34 : 475,781.82 = 106,972.90 : x
  2. Step 2: Convert to fraction form
    317,187.34/475,781.82 = 106,972.90/x
  3. Step 3: Cross multiply
    317,187.34x = 475,781.82 × 106,972.90
  4. Step 4: Simplify right side
    317,187.34x = 50,895,761,052.68
  5. Step 5: Solve for x
    x = 50,895,761,052.68/317,187.34
  6. Step 6: Final answer
    x = 160,459.62

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1.5x scale

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.