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Finding the Fourth Proportional to 167.36, 250.56 and 153.92

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Solution

The fourth proportional to 167.36, 250.56 and 153.92 is: 230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.36 : 250.56 = 153.92 : x
  2. Step 2: Convert to fraction form
    167.36/250.56 = 153.92/x
  3. Step 3: Cross multiply
    167.36x = 250.56 × 153.92
  4. Step 4: Simplify right side
    167.36x = 38,566.20
  5. Step 5: Solve for x
    x = 38,566.20/167.36
  6. Step 6: Final answer
    x = 230.44

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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.