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Finding the Fourth Proportional to 67,861.16, 101,799.30 and 23,491.88

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Solution

The fourth proportional to 67,861.16, 101,799.30 and 23,491.88 is: 35,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,861.16 : 101,799.30 = 23,491.88 : x
  2. Step 2: Convert to fraction form
    67,861.16/101,799.30 = 23,491.88/x
  3. Step 3: Cross multiply
    67,861.16x = 101,799.30 × 23,491.88
  4. Step 4: Simplify right side
    67,861.16x = 2,391,456,939.68
  5. Step 5: Solve for x
    x = 2,391,456,939.68/67,861.16
  6. Step 6: Final answer
    x = 35,240.44

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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.