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Finding the Fourth Proportional to 67,940.37, 101,911.77 and 23,568.57

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Solution

The fourth proportional to 67,940.37, 101,911.77 and 23,568.57 is: 35,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,940.37 : 101,911.77 = 23,568.57 : x
  2. Step 2: Convert to fraction form
    67,940.37/101,911.77 = 23,568.57/x
  3. Step 3: Cross multiply
    67,940.37x = 101,911.77 × 23,568.57
  4. Step 4: Simplify right side
    67,940.37x = 2,401,914,685.07
  5. Step 5: Solve for x
    x = 2,401,914,685.07/67,940.37
  6. Step 6: Final answer
    x = 35,353.28

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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.