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Finding the Fourth Proportional to 167.36, 232.56 and 165.32

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Solution

The fourth proportional to 167.36, 232.56 and 165.32 is: 229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.36 : 232.56 = 165.32 : x
  2. Step 2: Convert to fraction form
    167.36/232.56 = 165.32/x
  3. Step 3: Cross multiply
    167.36x = 232.56 × 165.32
  4. Step 4: Simplify right side
    167.36x = 38,446.82
  5. Step 5: Solve for x
    x = 38,446.82/167.36
  6. Step 6: Final answer
    x = 229.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.