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Finding the Fourth Proportional to 132.32, 182.72 and 132.02

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Solution

The fourth proportional to 132.32, 182.72 and 132.02 is: 182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.32 : 182.72 = 132.02 : x
  2. Step 2: Convert to fraction form
    132.32/182.72 = 132.02/x
  3. Step 3: Cross multiply
    132.32x = 182.72 × 132.02
  4. Step 4: Simplify right side
    132.32x = 24,122.69
  5. Step 5: Solve for x
    x = 24,122.69/132.32
  6. Step 6: Final answer
    x = 182.31

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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.