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Finding the Fourth Proportional to 167.08, 249.32 and 148.92

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Solution

The fourth proportional to 167.08, 249.32 and 148.92 is: 222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.08 : 249.32 = 148.92 : x
  2. Step 2: Convert to fraction form
    167.08/249.32 = 148.92/x
  3. Step 3: Cross multiply
    167.08x = 249.32 × 148.92
  4. Step 4: Simplify right side
    167.08x = 37,128.73
  5. Step 5: Solve for x
    x = 37,128.73/167.08
  6. Step 6: Final answer
    x = 222.22

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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.