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Finding the Fourth Proportional to 182.79, 252.05 and 159.27

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Solution

The fourth proportional to 182.79, 252.05 and 159.27 is: 219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.79 : 252.05 = 159.27 : x
  2. Step 2: Convert to fraction form
    182.79/252.05 = 159.27/x
  3. Step 3: Cross multiply
    182.79x = 252.05 × 159.27
  4. Step 4: Simplify right side
    182.79x = 40,142.74
  5. Step 5: Solve for x
    x = 40,142.74/182.79
  6. Step 6: Final answer
    x = 219.61

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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.