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Finding the Fourth Proportional to 67,940.87, 101,887.05 and 27,948.16

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Solution

The fourth proportional to 67,940.87, 101,887.05 and 27,948.16 is: 41,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,940.87 : 101,887.05 = 27,948.16 : x
  2. Step 2: Convert to fraction form
    67,940.87/101,887.05 = 27,948.16/x
  3. Step 3: Cross multiply
    67,940.87x = 101,887.05 × 27,948.16
  4. Step 4: Simplify right side
    67,940.87x = 2,847,555,575.33
  5. Step 5: Solve for x
    x = 2,847,555,575.33/67,940.87
  6. Step 6: Final answer
    x = 41,912.26

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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.