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Finding the Fourth Proportional to 167.09, 250.92 and 158.43

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Solution

The fourth proportional to 167.09, 250.92 and 158.43 is: 237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.09 : 250.92 = 158.43 : x
  2. Step 2: Convert to fraction form
    167.09/250.92 = 158.43/x
  3. Step 3: Cross multiply
    167.09x = 250.92 × 158.43
  4. Step 4: Simplify right side
    167.09x = 39,752.46
  5. Step 5: Solve for x
    x = 39,752.46/167.09
  6. Step 6: Final answer
    x = 237.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.