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Finding the Fourth Proportional to 79,794.87, 119,719.62 and 27,241.26

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Solution

The fourth proportional to 79,794.87, 119,719.62 and 27,241.26 is: 40,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.87 : 119,719.62 = 27,241.26 : x
  2. Step 2: Convert to fraction form
    79,794.87/119,719.62 = 27,241.26/x
  3. Step 3: Cross multiply
    79,794.87x = 119,719.62 × 27,241.26
  4. Step 4: Simplify right side
    79,794.87x = 3,261,313,295.52
  5. Step 5: Solve for x
    x = 3,261,313,295.52/79,794.87
  6. Step 6: Final answer
    x = 40,871.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.