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Finding the Fourth Proportional to 167.39, 230.94 and 112.04

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Solution

The fourth proportional to 167.39, 230.94 and 112.04 is: 154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.39 : 230.94 = 112.04 : x
  2. Step 2: Convert to fraction form
    167.39/230.94 = 112.04/x
  3. Step 3: Cross multiply
    167.39x = 230.94 × 112.04
  4. Step 4: Simplify right side
    167.39x = 25,873.36
  5. Step 5: Solve for x
    x = 25,873.36/167.39
  6. Step 6: Final answer
    x = 154.57

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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.