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Finding the Fourth Proportional to 167.27, 230.76 and 108.23

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Solution

The fourth proportional to 167.27, 230.76 and 108.23 is: 149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.27 : 230.76 = 108.23 : x
  2. Step 2: Convert to fraction form
    167.27/230.76 = 108.23/x
  3. Step 3: Cross multiply
    167.27x = 230.76 × 108.23
  4. Step 4: Simplify right side
    167.27x = 24,974.00
  5. Step 5: Solve for x
    x = 24,974.00/167.27
  6. Step 6: Final answer
    x = 149.31

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