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Finding the Fourth Proportional to 167.25, 250.81 and 75.93

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Solution

The fourth proportional to 167.25, 250.81 and 75.93 is: 113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.25 : 250.81 = 75.93 : x
  2. Step 2: Convert to fraction form
    167.25/250.81 = 75.93/x
  3. Step 3: Cross multiply
    167.25x = 250.81 × 75.93
  4. Step 4: Simplify right side
    167.25x = 19,044.00
  5. Step 5: Solve for x
    x = 19,044.00/167.25
  6. Step 6: Final answer
    x = 113.87

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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.