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Finding the Fourth Proportional to 182.33, 273.41 and 66.74

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Solution

The fourth proportional to 182.33, 273.41 and 66.74 is: 100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.33 : 273.41 = 66.74 : x
  2. Step 2: Convert to fraction form
    182.33/273.41 = 66.74/x
  3. Step 3: Cross multiply
    182.33x = 273.41 × 66.74
  4. Step 4: Simplify right side
    182.33x = 18,245.68
  5. Step 5: Solve for x
    x = 18,245.68/182.33
  6. Step 6: Final answer
    x = 100.07

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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.