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Finding the Fourth Proportional to 149.45, 224.27 and 110.97

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Solution

The fourth proportional to 149.45, 224.27 and 110.97 is: 166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.45 : 224.27 = 110.97 : x
  2. Step 2: Convert to fraction form
    149.45/224.27 = 110.97/x
  3. Step 3: Cross multiply
    149.45x = 224.27 × 110.97
  4. Step 4: Simplify right side
    149.45x = 24,887.10
  5. Step 5: Solve for x
    x = 24,887.10/149.45
  6. Step 6: Final answer
    x = 166.53

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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.