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Finding the Fourth Proportional to 182.67, 273.79 and 85.04

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Solution

The fourth proportional to 182.67, 273.79 and 85.04 is: 127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.67 : 273.79 = 85.04 : x
  2. Step 2: Convert to fraction form
    182.67/273.79 = 85.04/x
  3. Step 3: Cross multiply
    182.67x = 273.79 × 85.04
  4. Step 4: Simplify right side
    182.67x = 23,283.57
  5. Step 5: Solve for x
    x = 23,283.57/182.67
  6. Step 6: Final answer
    x = 127.46

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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.