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Finding the Fourth Proportional to 224.74, 337.08 and 80.44

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Solution

The fourth proportional to 224.74, 337.08 and 80.44 is: 120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.74 : 337.08 = 80.44 : x
  2. Step 2: Convert to fraction form
    224.74/337.08 = 80.44/x
  3. Step 3: Cross multiply
    224.74x = 337.08 × 80.44
  4. Step 4: Simplify right side
    224.74x = 27,114.72
  5. Step 5: Solve for x
    x = 27,114.72/224.74
  6. Step 6: Final answer
    x = 120.65

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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.