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Finding the Fourth Proportional to 167.19, 230.74 and 93.52

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Solution

The fourth proportional to 167.19, 230.74 and 93.52 is: 129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.19 : 230.74 = 93.52 : x
  2. Step 2: Convert to fraction form
    167.19/230.74 = 93.52/x
  3. Step 3: Cross multiply
    167.19x = 230.74 × 93.52
  4. Step 4: Simplify right side
    167.19x = 21,578.80
  5. Step 5: Solve for x
    x = 21,578.80/167.19
  6. Step 6: Final answer
    x = 129.07

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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.