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Finding the Fourth Proportional to 79,793.56, 110,074.66 and 60,897.88

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Solution

The fourth proportional to 79,793.56, 110,074.66 and 60,897.88 is: 84,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.56 : 110,074.66 = 60,897.88 : x
  2. Step 2: Convert to fraction form
    79,793.56/110,074.66 = 60,897.88/x
  3. Step 3: Cross multiply
    79,793.56x = 110,074.66 × 60,897.88
  4. Step 4: Simplify right side
    79,793.56x = 6,703,313,435.72
  5. Step 5: Solve for x
    x = 6,703,313,435.72/79,793.56
  6. Step 6: Final answer
    x = 84,008.20

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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.