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Finding the Fourth Proportional to 66,824.89, 100,237.30 and 26,843.87

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Solution

The fourth proportional to 66,824.89, 100,237.30 and 26,843.87 is: 40,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824.89 : 100,237.30 = 26,843.87 : x
  2. Step 2: Convert to fraction form
    66,824.89/100,237.30 = 26,843.87/x
  3. Step 3: Cross multiply
    66,824.89x = 100,237.30 × 26,843.87
  4. Step 4: Simplify right side
    66,824.89x = 2,690,757,050.35
  5. Step 5: Solve for x
    x = 2,690,757,050.35/66,824.89
  6. Step 6: Final answer
    x = 40,265.79

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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.