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Finding the Fourth Proportional to 167.33, 230.89 and 93.64

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Solution

The fourth proportional to 167.33, 230.89 and 93.64 is: 129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.33 : 230.89 = 93.64 : x
  2. Step 2: Convert to fraction form
    167.33/230.89 = 93.64/x
  3. Step 3: Cross multiply
    167.33x = 230.89 × 93.64
  4. Step 4: Simplify right side
    167.33x = 21,619.73
  5. Step 5: Solve for x
    x = 21,619.73/167.33
  6. Step 6: Final answer
    x = 129.21

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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.