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Finding the Fourth Proportional to 224.84, 337.87 and 127.49

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Solution

The fourth proportional to 224.84, 337.87 and 127.49 is: 191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.84 : 337.87 = 127.49 : x
  2. Step 2: Convert to fraction form
    224.84/337.87 = 127.49/x
  3. Step 3: Cross multiply
    224.84x = 337.87 × 127.49
  4. Step 4: Simplify right side
    224.84x = 43,072.72
  5. Step 5: Solve for x
    x = 43,072.72/224.84
  6. Step 6: Final answer
    x = 191.57

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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.