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Finding the Fourth Proportional to 167.12, 250.68 and 106.37

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Solution

The fourth proportional to 167.12, 250.68 and 106.37 is: 159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.12 : 250.68 = 106.37 : x
  2. Step 2: Convert to fraction form
    167.12/250.68 = 106.37/x
  3. Step 3: Cross multiply
    167.12x = 250.68 × 106.37
  4. Step 4: Simplify right side
    167.12x = 26,663.58
  5. Step 5: Solve for x
    x = 26,663.58/167.12
  6. Step 6: Final answer
    x = 159.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.