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Finding the Fourth Proportional to 182.11, 252.64 and 173.20

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Solution

The fourth proportional to 182.11, 252.64 and 173.20 is: 240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.11 : 252.64 = 173.20 : x
  2. Step 2: Convert to fraction form
    182.11/252.64 = 173.20/x
  3. Step 3: Cross multiply
    182.11x = 252.64 × 173.20
  4. Step 4: Simplify right side
    182.11x = 43,757.25
  5. Step 5: Solve for x
    x = 43,757.25/182.11
  6. Step 6: Final answer
    x = 240.28

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.