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Finding the Fourth Proportional to 66,837.86, 100,255.62 and 26,874.44

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Solution

The fourth proportional to 66,837.86, 100,255.62 and 26,874.44 is: 40,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837.86 : 100,255.62 = 26,874.44 : x
  2. Step 2: Convert to fraction form
    66,837.86/100,255.62 = 26,874.44/x
  3. Step 3: Cross multiply
    66,837.86x = 100,255.62 × 26,874.44
  4. Step 4: Simplify right side
    66,837.86x = 2,694,313,644.35
  5. Step 5: Solve for x
    x = 2,694,313,644.35/66,837.86
  6. Step 6: Final answer
    x = 40,311.19

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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.