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Finding the Fourth Proportional to 79,544.77, 109,770.80 and 43,734.47

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Solution

The fourth proportional to 79,544.77, 109,770.80 and 43,734.47 is: 60,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,544.77 : 109,770.80 = 43,734.47 : x
  2. Step 2: Convert to fraction form
    79,544.77/109,770.80 = 43,734.47/x
  3. Step 3: Cross multiply
    79,544.77x = 109,770.80 × 43,734.47
  4. Step 4: Simplify right side
    79,544.77x = 4,800,766,991.95
  5. Step 5: Solve for x
    x = 4,800,766,991.95/79,544.77
  6. Step 6: Final answer
    x = 60,353.02

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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.