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Finding the Fourth Proportional to 269,589.12, 404,467.59 and 80,050.48

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Solution

The fourth proportional to 269,589.12, 404,467.59 and 80,050.48 is: 120,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,589.12 : 404,467.59 = 80,050.48 : x
  2. Step 2: Convert to fraction form
    269,589.12/404,467.59 = 80,050.48/x
  3. Step 3: Cross multiply
    269,589.12x = 404,467.59 × 80,050.48
  4. Step 4: Simplify right side
    269,589.12x = 32,377,824,723.94
  5. Step 5: Solve for x
    x = 32,377,824,723.94/269,589.12
  6. Step 6: Final answer
    x = 120,100.64

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1.5x scale

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.