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Finding the Fourth Proportional to 69,692.22, 104,380.21 and 44,391.87

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Solution

The fourth proportional to 69,692.22, 104,380.21 and 44,391.87 is: 66,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,692.22 : 104,380.21 = 44,391.87 : x
  2. Step 2: Convert to fraction form
    69,692.22/104,380.21 = 44,391.87/x
  3. Step 3: Cross multiply
    69,692.22x = 104,380.21 × 44,391.87
  4. Step 4: Simplify right side
    69,692.22x = 4,633,632,712.89
  5. Step 5: Solve for x
    x = 4,633,632,712.89/69,692.22
  6. Step 6: Final answer
    x = 66,487.09

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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.