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Finding the Fourth Proportional to 149.67, 224.49 and 62.97

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Solution

The fourth proportional to 149.67, 224.49 and 62.97 is: 94.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.67 : 224.49 = 62.97 : x
  2. Step 2: Convert to fraction form
    149.67/224.49 = 62.97/x
  3. Step 3: Cross multiply
    149.67x = 224.49 × 62.97
  4. Step 4: Simplify right side
    149.67x = 14,136.14
  5. Step 5: Solve for x
    x = 14,136.14/149.67
  6. Step 6: Final answer
    x = 94.45

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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.