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Finding the Fourth Proportional to 66,826.42, 100,227.51 and 26,843.79

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Solution

The fourth proportional to 66,826.42, 100,227.51 and 26,843.79 is: 40,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,826.42 : 100,227.51 = 26,843.79 : x
  2. Step 2: Convert to fraction form
    66,826.42/100,227.51 = 26,843.79/x
  3. Step 3: Cross multiply
    66,826.42x = 100,227.51 × 26,843.79
  4. Step 4: Simplify right side
    66,826.42x = 2,690,486,230.66
  5. Step 5: Solve for x
    x = 2,690,486,230.66/66,826.42
  6. Step 6: Final answer
    x = 40,260.82

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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.