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Finding the Fourth Proportional to 182.20, 251.36 and 116.66

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Solution

The fourth proportional to 182.20, 251.36 and 116.66 is: 160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.20 : 251.36 = 116.66 : x
  2. Step 2: Convert to fraction form
    182.20/251.36 = 116.66/x
  3. Step 3: Cross multiply
    182.20x = 251.36 × 116.66
  4. Step 4: Simplify right side
    182.20x = 29,323.66
  5. Step 5: Solve for x
    x = 29,323.66/182.20
  6. Step 6: Final answer
    x = 160.94

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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.