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Finding the Fourth Proportional to 269,699.80, 404,630.22 and 80,166.52

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Solution

The fourth proportional to 269,699.80, 404,630.22 and 80,166.52 is: 120,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,699.80 : 404,630.22 = 80,166.52 : x
  2. Step 2: Convert to fraction form
    269,699.80/404,630.22 = 80,166.52/x
  3. Step 3: Cross multiply
    269,699.80x = 404,630.22 × 80,166.52
  4. Step 4: Simplify right side
    269,699.80x = 32,437,796,624.23
  5. Step 5: Solve for x
    x = 32,437,796,624.23/269,699.80
  6. Step 6: Final answer
    x = 120,273.71

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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.