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Finding the Fourth Proportional to 167.92, 251.87 and 110.50

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Solution

The fourth proportional to 167.92, 251.87 and 110.50 is: 165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.92 : 251.87 = 110.50 : x
  2. Step 2: Convert to fraction form
    167.92/251.87 = 110.50/x
  3. Step 3: Cross multiply
    167.92x = 251.87 × 110.50
  4. Step 4: Simplify right side
    167.92x = 27,831.64
  5. Step 5: Solve for x
    x = 27,831.64/167.92
  6. Step 6: Final answer
    x = 165.75

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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.