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Finding the Fourth Proportional to 167.09, 250.25 and 106.08

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Solution

The fourth proportional to 167.09, 250.25 and 106.08 is: 158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.09 : 250.25 = 106.08 : x
  2. Step 2: Convert to fraction form
    167.09/250.25 = 106.08/x
  3. Step 3: Cross multiply
    167.09x = 250.25 × 106.08
  4. Step 4: Simplify right side
    167.09x = 26,545.99
  5. Step 5: Solve for x
    x = 26,545.99/167.09
  6. Step 6: Final answer
    x = 158.88

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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.