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Finding the Fourth Proportional to 113.44, 169.24 and 95.52

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Solution

The fourth proportional to 113.44, 169.24 and 95.52 is: 142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.44 : 169.24 = 95.52 : x
  2. Step 2: Convert to fraction form
    113.44/169.24 = 95.52/x
  3. Step 3: Cross multiply
    113.44x = 169.24 × 95.52
  4. Step 4: Simplify right side
    113.44x = 16,165.80
  5. Step 5: Solve for x
    x = 16,165.80/113.44
  6. Step 6: Final answer
    x = 142.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.