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Finding the Fourth Proportional to 224.87, 337.28 and 109.26

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Solution

The fourth proportional to 224.87, 337.28 and 109.26 is: 163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.87 : 337.28 = 109.26 : x
  2. Step 2: Convert to fraction form
    224.87/337.28 = 109.26/x
  3. Step 3: Cross multiply
    224.87x = 337.28 × 109.26
  4. Step 4: Simplify right side
    224.87x = 36,850.67
  5. Step 5: Solve for x
    x = 36,850.67/224.87
  6. Step 6: Final answer
    x = 163.88

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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.