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Finding the Fourth Proportional to 182.21, 251.01 and 159.89

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Solution

The fourth proportional to 182.21, 251.01 and 159.89 is: 220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.21 : 251.01 = 159.89 : x
  2. Step 2: Convert to fraction form
    182.21/251.01 = 159.89/x
  3. Step 3: Cross multiply
    182.21x = 251.01 × 159.89
  4. Step 4: Simplify right side
    182.21x = 40,132.73
  5. Step 5: Solve for x
    x = 40,132.73/182.21
  6. Step 6: Final answer
    x = 220.26

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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.