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Finding the Fourth Proportional to 148.67, 223.00 and 61.97

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Solution

The fourth proportional to 148.67, 223.00 and 61.97 is: 92.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.67 : 223.00 = 61.97 : x
  2. Step 2: Convert to fraction form
    148.67/223.00 = 61.97/x
  3. Step 3: Cross multiply
    148.67x = 223.00 × 61.97
  4. Step 4: Simplify right side
    148.67x = 13,819.64
  5. Step 5: Solve for x
    x = 13,819.64/148.67
  6. Step 6: Final answer
    x = 92.95

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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.