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Finding the Fourth Proportional to 79,346.80, 109,494.92 and 43,535.92

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Solution

The fourth proportional to 79,346.80, 109,494.92 and 43,535.92 is: 60,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.80 : 109,494.92 = 43,535.92 : x
  2. Step 2: Convert to fraction form
    79,346.80/109,494.92 = 43,535.92/x
  3. Step 3: Cross multiply
    79,346.80x = 109,494.92 × 43,535.92
  4. Step 4: Simplify right side
    79,346.80x = 4,766,962,077.53
  5. Step 5: Solve for x
    x = 4,766,962,077.53/79,346.80
  6. Step 6: Final answer
    x = 60,077.56

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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.