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Finding the Fourth Proportional to 199,335.76, 275,079.84 and 108,692.44

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Solution

The fourth proportional to 199,335.76, 275,079.84 and 108,692.44 is: 149,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,335.76 : 275,079.84 = 108,692.44 : x
  2. Step 2: Convert to fraction form
    199,335.76/275,079.84 = 108,692.44/x
  3. Step 3: Cross multiply
    199,335.76x = 275,079.84 × 108,692.44
  4. Step 4: Simplify right side
    199,335.76x = 29,899,099,004.41
  5. Step 5: Solve for x
    x = 29,899,099,004.41/199,335.76
  6. Step 6: Final answer
    x = 149,993.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.