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Finding the Fourth Proportional to 67,892.37, 101,839.70 and 23,520.43

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Solution

The fourth proportional to 67,892.37, 101,839.70 and 23,520.43 is: 35,281.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,892.37 : 101,839.70 = 23,520.43 : x
  2. Step 2: Convert to fraction form
    67,892.37/101,839.70 = 23,520.43/x
  3. Step 3: Cross multiply
    67,892.37x = 101,839.70 × 23,520.43
  4. Step 4: Simplify right side
    67,892.37x = 2,395,313,535.07
  5. Step 5: Solve for x
    x = 2,395,313,535.07/67,892.37
  6. Step 6: Final answer
    x = 35,281.04

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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.