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Finding the Fourth Proportional to 79,359.93, 109,516.37 and 43,550.54

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Solution

The fourth proportional to 79,359.93, 109,516.37 and 43,550.54 is: 60,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.93 : 109,516.37 = 43,550.54 : x
  2. Step 2: Convert to fraction form
    79,359.93/109,516.37 = 43,550.54/x
  3. Step 3: Cross multiply
    79,359.93x = 109,516.37 × 43,550.54
  4. Step 4: Simplify right side
    79,359.93x = 4,769,497,052.34
  5. Step 5: Solve for x
    x = 4,769,497,052.34/79,359.93
  6. Step 6: Final answer
    x = 60,099.56

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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.