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Finding the Fourth Proportional to 182.67, 252.20 and 151.67

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Solution

The fourth proportional to 182.67, 252.20 and 151.67 is: 209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.67 : 252.20 = 151.67 : x
  2. Step 2: Convert to fraction form
    182.67/252.20 = 151.67/x
  3. Step 3: Cross multiply
    182.67x = 252.20 × 151.67
  4. Step 4: Simplify right side
    182.67x = 38,249.15
  5. Step 5: Solve for x
    x = 38,249.15/182.67
  6. Step 6: Final answer
    x = 209.39

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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.