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Finding the Fourth Proportional to 169.40, 233.46 and 132.44

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Solution

The fourth proportional to 169.40, 233.46 and 132.44 is: 182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.40 : 233.46 = 132.44 : x
  2. Step 2: Convert to fraction form
    169.40/233.46 = 132.44/x
  3. Step 3: Cross multiply
    169.40x = 233.46 × 132.44
  4. Step 4: Simplify right side
    169.40x = 30,919.44
  5. Step 5: Solve for x
    x = 30,919.44/169.40
  6. Step 6: Final answer
    x = 182.52

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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.