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Finding the Fourth Proportional to 167.41, 230.97 and 93.71

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Solution

The fourth proportional to 167.41, 230.97 and 93.71 is: 129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.41 : 230.97 = 93.71 : x
  2. Step 2: Convert to fraction form
    167.41/230.97 = 93.71/x
  3. Step 3: Cross multiply
    167.41x = 230.97 × 93.71
  4. Step 4: Simplify right side
    167.41x = 21,643.73
  5. Step 5: Solve for x
    x = 21,643.73/167.41
  6. Step 6: Final answer
    x = 129.29

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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.