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Finding the Fourth Proportional to 79,550.24, 109,776.38 and 43,738.12

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Solution

The fourth proportional to 79,550.24, 109,776.38 and 43,738.12 is: 60,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,550.24 : 109,776.38 = 43,738.12 : x
  2. Step 2: Convert to fraction form
    79,550.24/109,776.38 = 43,738.12/x
  3. Step 3: Cross multiply
    79,550.24x = 109,776.38 × 43,738.12
  4. Step 4: Simplify right side
    79,550.24x = 4,801,412,481.61
  5. Step 5: Solve for x
    x = 4,801,412,481.61/79,550.24
  6. Step 6: Final answer
    x = 60,356.98

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