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Finding the Fourth Proportional to 182.32, 251.60 and 108.67

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Solution

The fourth proportional to 182.32, 251.60 and 108.67 is: 149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.32 : 251.60 = 108.67 : x
  2. Step 2: Convert to fraction form
    182.32/251.60 = 108.67/x
  3. Step 3: Cross multiply
    182.32x = 251.60 × 108.67
  4. Step 4: Simplify right side
    182.32x = 27,341.64
  5. Step 5: Solve for x
    x = 27,341.64/182.32
  6. Step 6: Final answer
    x = 149.97

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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.