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Finding the Fourth Proportional to 182.03, 251.10 and 161.33

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Solution

The fourth proportional to 182.03, 251.10 and 161.33 is: 222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.03 : 251.10 = 161.33 : x
  2. Step 2: Convert to fraction form
    182.03/251.10 = 161.33/x
  3. Step 3: Cross multiply
    182.03x = 251.10 × 161.33
  4. Step 4: Simplify right side
    182.03x = 40,508.71
  5. Step 5: Solve for x
    x = 40,508.71/182.03
  6. Step 6: Final answer
    x = 222.54

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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.