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Finding the Fourth Proportional to 283,843.39, 425,847.27 and 84,168.59

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Solution

The fourth proportional to 283,843.39, 425,847.27 and 84,168.59 is: 126,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,843.39 : 425,847.27 = 84,168.59 : x
  2. Step 2: Convert to fraction form
    283,843.39/425,847.27 = 84,168.59/x
  3. Step 3: Cross multiply
    283,843.39x = 425,847.27 × 84,168.59
  4. Step 4: Simplify right side
    283,843.39x = 35,842,962,142.01
  5. Step 5: Solve for x
    x = 35,842,962,142.01/283,843.39
  6. Step 6: Final answer
    x = 126,277.25

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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.