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Finding the Fourth Proportional to 75,993.60, 104,871.27 and 43,727.57

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Solution

The fourth proportional to 75,993.60, 104,871.27 and 43,727.57 is: 60,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,993.60 : 104,871.27 = 43,727.57 : x
  2. Step 2: Convert to fraction form
    75,993.60/104,871.27 = 43,727.57/x
  3. Step 3: Cross multiply
    75,993.60x = 104,871.27 × 43,727.57
  4. Step 4: Simplify right side
    75,993.60x = 4,585,766,001.87
  5. Step 5: Solve for x
    x = 4,585,766,001.87/75,993.60
  6. Step 6: Final answer
    x = 60,344.11

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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.