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Finding the Fourth Proportional to 168.44, 250.66 and 167.96

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Solution

The fourth proportional to 168.44, 250.66 and 167.96 is: 249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.44 : 250.66 = 167.96 : x
  2. Step 2: Convert to fraction form
    168.44/250.66 = 167.96/x
  3. Step 3: Cross multiply
    168.44x = 250.66 × 167.96
  4. Step 4: Simplify right side
    168.44x = 42,100.85
  5. Step 5: Solve for x
    x = 42,100.85/168.44
  6. Step 6: Final answer
    x = 249.95

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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.