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Finding the Fourth Proportional to 167.29, 251.07 and 119.32

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Solution

The fourth proportional to 167.29, 251.07 and 119.32 is: 179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.29 : 251.07 = 119.32 : x
  2. Step 2: Convert to fraction form
    167.29/251.07 = 119.32/x
  3. Step 3: Cross multiply
    167.29x = 251.07 × 119.32
  4. Step 4: Simplify right side
    167.29x = 29,957.67
  5. Step 5: Solve for x
    x = 29,957.67/167.29
  6. Step 6: Final answer
    x = 179.08

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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.