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Finding the Fourth Proportional to 132.32, 182.48 and 125.84

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Solution

The fourth proportional to 132.32, 182.48 and 125.84 is: 173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.32 : 182.48 = 125.84 : x
  2. Step 2: Convert to fraction form
    132.32/182.48 = 125.84/x
  3. Step 3: Cross multiply
    132.32x = 182.48 × 125.84
  4. Step 4: Simplify right side
    132.32x = 22,963.28
  5. Step 5: Solve for x
    x = 22,963.28/132.32
  6. Step 6: Final answer
    x = 173.54

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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.