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Finding the Fourth Proportional to 68,793.62, 94,939.04 and 51,767.22

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Solution

The fourth proportional to 68,793.62, 94,939.04 and 51,767.22 is: 71,441.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,793.62 : 94,939.04 = 51,767.22 : x
  2. Step 2: Convert to fraction form
    68,793.62/94,939.04 = 51,767.22/x
  3. Step 3: Cross multiply
    68,793.62x = 94,939.04 × 51,767.22
  4. Step 4: Simplify right side
    68,793.62x = 4,914,730,170.27
  5. Step 5: Solve for x
    x = 4,914,730,170.27/68,793.62
  6. Step 6: Final answer
    x = 71,441.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.