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Finding the Fourth Proportional to 283,692.51, 425,540.13 and 84,016.68

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Solution

The fourth proportional to 283,692.51, 425,540.13 and 84,016.68 is: 126,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,692.51 : 425,540.13 = 84,016.68 : x
  2. Step 2: Convert to fraction form
    283,692.51/425,540.13 = 84,016.68/x
  3. Step 3: Cross multiply
    283,692.51x = 425,540.13 × 84,016.68
  4. Step 4: Simplify right side
    283,692.51x = 35,752,467,491.12
  5. Step 5: Solve for x
    x = 35,752,467,491.12/283,692.51
  6. Step 6: Final answer
    x = 126,025.42

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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.