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Finding the Fourth Proportional to 269,770.20, 404,801.10 and 120,033.60

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Solution

The fourth proportional to 269,770.20, 404,801.10 and 120,033.60 is: 180,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,770.20 : 404,801.10 = 120,033.60 : x
  2. Step 2: Convert to fraction form
    269,770.20/404,801.10 = 120,033.60/x
  3. Step 3: Cross multiply
    269,770.20x = 404,801.10 × 120,033.60
  4. Step 4: Simplify right side
    269,770.20x = 48,589,733,316.96
  5. Step 5: Solve for x
    x = 48,589,733,316.96/269,770.20
  6. Step 6: Final answer
    x = 180,115.27

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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.