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Finding the Fourth Proportional to 169.43, 252.37 and 167.33

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Solution

The fourth proportional to 169.43, 252.37 and 167.33 is: 249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.43 : 252.37 = 167.33 : x
  2. Step 2: Convert to fraction form
    169.43/252.37 = 167.33/x
  3. Step 3: Cross multiply
    169.43x = 252.37 × 167.33
  4. Step 4: Simplify right side
    169.43x = 42,229.07
  5. Step 5: Solve for x
    x = 42,229.07/169.43
  6. Step 6: Final answer
    x = 249.24

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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.