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Finding the Fourth Proportional to 167.91, 231.73 and 102.41

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Solution

The fourth proportional to 167.91, 231.73 and 102.41 is: 141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.91 : 231.73 = 102.41 : x
  2. Step 2: Convert to fraction form
    167.91/231.73 = 102.41/x
  3. Step 3: Cross multiply
    167.91x = 231.73 × 102.41
  4. Step 4: Simplify right side
    167.91x = 23,730.05
  5. Step 5: Solve for x
    x = 23,730.05/167.91
  6. Step 6: Final answer
    x = 141.33

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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.