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Finding the Fourth Proportional to 67,245.10, 100,838.49 and 22,859.95

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Solution

The fourth proportional to 67,245.10, 100,838.49 and 22,859.95 is: 34,280.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,245.10 : 100,838.49 = 22,859.95 : x
  2. Step 2: Convert to fraction form
    67,245.10/100,838.49 = 22,859.95/x
  3. Step 3: Cross multiply
    67,245.10x = 100,838.49 × 22,859.95
  4. Step 4: Simplify right side
    67,245.10x = 2,305,162,839.48
  5. Step 5: Solve for x
    x = 2,305,162,839.48/67,245.10
  6. Step 6: Final answer
    x = 34,280.01

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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.