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Finding the Fourth Proportional to 203,999.90, 305,999.85 and 182,227.10

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Solution

The fourth proportional to 203,999.90, 305,999.85 and 182,227.10 is: 273,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,999.90 : 305,999.85 = 182,227.10 : x
  2. Step 2: Convert to fraction form
    203,999.90/305,999.85 = 182,227.10/x
  3. Step 3: Cross multiply
    203,999.90x = 305,999.85 × 182,227.10
  4. Step 4: Simplify right side
    203,999.90x = 55,761,465,265.94
  5. Step 5: Solve for x
    x = 55,761,465,265.94/203,999.90
  6. Step 6: Final answer
    x = 273,340.65

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1.5x scale

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.