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Finding the Fourth Proportional to 182.61, 251.99 and 108.91

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Solution

The fourth proportional to 182.61, 251.99 and 108.91 is: 150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.61 : 251.99 = 108.91 : x
  2. Step 2: Convert to fraction form
    182.61/251.99 = 108.91/x
  3. Step 3: Cross multiply
    182.61x = 251.99 × 108.91
  4. Step 4: Simplify right side
    182.61x = 27,443.69
  5. Step 5: Solve for x
    x = 27,443.69/182.61
  6. Step 6: Final answer
    x = 150.29

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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.