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Finding the Fourth Proportional to 167.29, 230.67 and 144.04

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Solution

The fourth proportional to 167.29, 230.67 and 144.04 is: 198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.29 : 230.67 = 144.04 : x
  2. Step 2: Convert to fraction form
    167.29/230.67 = 144.04/x
  3. Step 3: Cross multiply
    167.29x = 230.67 × 144.04
  4. Step 4: Simplify right side
    167.29x = 33,225.71
  5. Step 5: Solve for x
    x = 33,225.71/167.29
  6. Step 6: Final answer
    x = 198.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.