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Finding the Fourth Proportional to 167.67, 249.73 and 160.17

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Solution

The fourth proportional to 167.67, 249.73 and 160.17 is: 238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.67 : 249.73 = 160.17 : x
  2. Step 2: Convert to fraction form
    167.67/249.73 = 160.17/x
  3. Step 3: Cross multiply
    167.67x = 249.73 × 160.17
  4. Step 4: Simplify right side
    167.67x = 39,998.84
  5. Step 5: Solve for x
    x = 39,998.84/167.67
  6. Step 6: Final answer
    x = 238.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.