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Finding the Fourth Proportional to 67,259.16, 100,692.84 and 52,422.84

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Solution

The fourth proportional to 67,259.16, 100,692.84 and 52,422.84 is: 78,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,259.16 : 100,692.84 = 52,422.84 : x
  2. Step 2: Convert to fraction form
    67,259.16/100,692.84 = 52,422.84/x
  3. Step 3: Cross multiply
    67,259.16x = 100,692.84 × 52,422.84
  4. Step 4: Simplify right side
    67,259.16x = 5,278,604,640.47
  5. Step 5: Solve for x
    x = 5,278,604,640.47/67,259.16
  6. Step 6: Final answer
    x = 78,481.57

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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.