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Finding the Fourth Proportional to 283,692.68, 425,601.29 and 84,028.69

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Solution

The fourth proportional to 283,692.68, 425,601.29 and 84,028.69 is: 126,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,692.68 : 425,601.29 = 84,028.69 : x
  2. Step 2: Convert to fraction form
    283,692.68/425,601.29 = 84,028.69/x
  3. Step 3: Cross multiply
    283,692.68x = 425,601.29 × 84,028.69
  4. Step 4: Simplify right side
    283,692.68x = 35,762,719,130.42
  5. Step 5: Solve for x
    x = 35,762,719,130.42/283,692.68
  6. Step 6: Final answer
    x = 126,061.48

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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.