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Finding the Fourth Proportional to 182.36, 251.42 and 116.75

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Solution

The fourth proportional to 182.36, 251.42 and 116.75 is: 160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.36 : 251.42 = 116.75 : x
  2. Step 2: Convert to fraction form
    182.36/251.42 = 116.75/x
  3. Step 3: Cross multiply
    182.36x = 251.42 × 116.75
  4. Step 4: Simplify right side
    182.36x = 29,351.44
  5. Step 5: Solve for x
    x = 29,351.44/182.36
  6. Step 6: Final answer
    x = 160.96

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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.