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Finding the Fourth Proportional to 224.88, 337.59 and 133.68

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Solution

The fourth proportional to 224.88, 337.59 and 133.68 is: 200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.88 : 337.59 = 133.68 : x
  2. Step 2: Convert to fraction form
    224.88/337.59 = 133.68/x
  3. Step 3: Cross multiply
    224.88x = 337.59 × 133.68
  4. Step 4: Simplify right side
    224.88x = 45,129.03
  5. Step 5: Solve for x
    x = 45,129.03/224.88
  6. Step 6: Final answer
    x = 200.68

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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.