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Finding the Fourth Proportional to 167.22, 230.75 and 93.54

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Solution

The fourth proportional to 167.22, 230.75 and 93.54 is: 129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.22 : 230.75 = 93.54 : x
  2. Step 2: Convert to fraction form
    167.22/230.75 = 93.54/x
  3. Step 3: Cross multiply
    167.22x = 230.75 × 93.54
  4. Step 4: Simplify right side
    167.22x = 21,584.36
  5. Step 5: Solve for x
    x = 21,584.36/167.22
  6. Step 6: Final answer
    x = 129.08

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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.