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Finding the Fourth Proportional to 182.20, 272.92 and 134.16

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Solution

The fourth proportional to 182.20, 272.92 and 134.16 is: 200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.20 : 272.92 = 134.16 : x
  2. Step 2: Convert to fraction form
    182.20/272.92 = 134.16/x
  3. Step 3: Cross multiply
    182.20x = 272.92 × 134.16
  4. Step 4: Simplify right side
    182.20x = 36,614.95
  5. Step 5: Solve for x
    x = 36,614.95/182.20
  6. Step 6: Final answer
    x = 200.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.