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Finding the Fourth Proportional to 167.41, 230.97 and 118.27

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Solution

The fourth proportional to 167.41, 230.97 and 118.27 is: 163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.41 : 230.97 = 118.27 : x
  2. Step 2: Convert to fraction form
    167.41/230.97 = 118.27/x
  3. Step 3: Cross multiply
    167.41x = 230.97 × 118.27
  4. Step 4: Simplify right side
    167.41x = 27,316.82
  5. Step 5: Solve for x
    x = 27,316.82/167.41
  6. Step 6: Final answer
    x = 163.17

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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.