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Finding the Fourth Proportional to 182.50, 273.39 and 90.92

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Solution

The fourth proportional to 182.50, 273.39 and 90.92 is: 136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.50 : 273.39 = 90.92 : x
  2. Step 2: Convert to fraction form
    182.50/273.39 = 90.92/x
  3. Step 3: Cross multiply
    182.50x = 273.39 × 90.92
  4. Step 4: Simplify right side
    182.50x = 24,856.62
  5. Step 5: Solve for x
    x = 24,856.62/182.50
  6. Step 6: Final answer
    x = 136.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.