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Finding the Fourth Proportional to 167.43, 252.39 and 154.08

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Solution

The fourth proportional to 167.43, 252.39 and 154.08 is: 232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.43 : 252.39 = 154.08 : x
  2. Step 2: Convert to fraction form
    167.43/252.39 = 154.08/x
  3. Step 3: Cross multiply
    167.43x = 252.39 × 154.08
  4. Step 4: Simplify right side
    167.43x = 38,888.25
  5. Step 5: Solve for x
    x = 38,888.25/167.43
  6. Step 6: Final answer
    x = 232.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.