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Finding the Fourth Proportional to 283,395.44, 425,149.20 and 80,993.36

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Solution

The fourth proportional to 283,395.44, 425,149.20 and 80,993.36 is: 121,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,395.44 : 425,149.20 = 80,993.36 : x
  2. Step 2: Convert to fraction form
    283,395.44/425,149.20 = 80,993.36/x
  3. Step 3: Cross multiply
    283,395.44x = 425,149.20 × 80,993.36
  4. Step 4: Simplify right side
    283,395.44x = 34,434,260,083.57
  5. Step 5: Solve for x
    x = 34,434,260,083.57/283,395.44
  6. Step 6: Final answer
    x = 121,506.05

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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.