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Finding the Fourth Proportional to 167.37, 249.15 and 166.46

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Solution

The fourth proportional to 167.37, 249.15 and 166.46 is: 247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.37 : 249.15 = 166.46 : x
  2. Step 2: Convert to fraction form
    167.37/249.15 = 166.46/x
  3. Step 3: Cross multiply
    167.37x = 249.15 × 166.46
  4. Step 4: Simplify right side
    167.37x = 41,472.42
  5. Step 5: Solve for x
    x = 41,472.42/167.37
  6. Step 6: Final answer
    x = 247.79

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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.