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Finding the Fourth Proportional to 167.33, 230.99 and 112.11

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Solution

The fourth proportional to 167.33, 230.99 and 112.11 is: 154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.33 : 230.99 = 112.11 : x
  2. Step 2: Convert to fraction form
    167.33/230.99 = 112.11/x
  3. Step 3: Cross multiply
    167.33x = 230.99 × 112.11
  4. Step 4: Simplify right side
    167.33x = 25,895.73
  5. Step 5: Solve for x
    x = 25,895.73/167.33
  6. Step 6: Final answer
    x = 154.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.