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Finding the Fourth Proportional to 167.76, 232.02 and 140.58

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Solution

The fourth proportional to 167.76, 232.02 and 140.58 is: 194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.76 : 232.02 = 140.58 : x
  2. Step 2: Convert to fraction form
    167.76/232.02 = 140.58/x
  3. Step 3: Cross multiply
    167.76x = 232.02 × 140.58
  4. Step 4: Simplify right side
    167.76x = 32,617.37
  5. Step 5: Solve for x
    x = 32,617.37/167.76
  6. Step 6: Final answer
    x = 194.43

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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.