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Finding the Fourth Proportional to 182.64, 251.87 and 108.95

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Solution

The fourth proportional to 182.64, 251.87 and 108.95 is: 150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.64 : 251.87 = 108.95 : x
  2. Step 2: Convert to fraction form
    182.64/251.87 = 108.95/x
  3. Step 3: Cross multiply
    182.64x = 251.87 × 108.95
  4. Step 4: Simplify right side
    182.64x = 27,439.74
  5. Step 5: Solve for x
    x = 27,439.74/182.64
  6. Step 6: Final answer
    x = 150.24

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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.