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Finding the Fourth Proportional to 182.50, 251.85 and 104.92

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Solution

The fourth proportional to 182.50, 251.85 and 104.92 is: 144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.50 : 251.85 = 104.92 : x
  2. Step 2: Convert to fraction form
    182.50/251.85 = 104.92/x
  3. Step 3: Cross multiply
    182.50x = 251.85 × 104.92
  4. Step 4: Simplify right side
    182.50x = 26,424.10
  5. Step 5: Solve for x
    x = 26,424.10/182.50
  6. Step 6: Final answer
    x = 144.79

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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.