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Finding the Fourth Proportional to 182.17, 251.31 and 104.50

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Solution

The fourth proportional to 182.17, 251.31 and 104.50 is: 144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.17 : 251.31 = 104.50 : x
  2. Step 2: Convert to fraction form
    182.17/251.31 = 104.50/x
  3. Step 3: Cross multiply
    182.17x = 251.31 × 104.50
  4. Step 4: Simplify right side
    182.17x = 26,261.90
  5. Step 5: Solve for x
    x = 26,261.90/182.17
  6. Step 6: Final answer
    x = 144.16

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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.