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Finding the Fourth Proportional to 167.12, 250.84 and 106.29

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Solution

The fourth proportional to 167.12, 250.84 and 106.29 is: 159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.12 : 250.84 = 106.29 : x
  2. Step 2: Convert to fraction form
    167.12/250.84 = 106.29/x
  3. Step 3: Cross multiply
    167.12x = 250.84 × 106.29
  4. Step 4: Simplify right side
    167.12x = 26,661.92
  5. Step 5: Solve for x
    x = 26,661.92/167.12
  6. Step 6: Final answer
    x = 159.54

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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.