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Finding the Fourth Proportional to 132.35, 182.67 and 82.59

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Solution

The fourth proportional to 132.35, 182.67 and 82.59 is: 113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.35 : 182.67 = 82.59 : x
  2. Step 2: Convert to fraction form
    132.35/182.67 = 82.59/x
  3. Step 3: Cross multiply
    132.35x = 182.67 × 82.59
  4. Step 4: Simplify right side
    132.35x = 15,086.72
  5. Step 5: Solve for x
    x = 15,086.72/132.35
  6. Step 6: Final answer
    x = 113.99

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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.