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Finding the Fourth Proportional to 269,560.70, 404,268.15 and 80,020.70

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Solution

The fourth proportional to 269,560.70, 404,268.15 and 80,020.70 is: 120,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,560.70 : 404,268.15 = 80,020.70 : x
  2. Step 2: Convert to fraction form
    269,560.70/404,268.15 = 80,020.70/x
  3. Step 3: Cross multiply
    269,560.70x = 404,268.15 × 80,020.70
  4. Step 4: Simplify right side
    269,560.70x = 32,349,820,350.71
  5. Step 5: Solve for x
    x = 32,349,820,350.71/269,560.70
  6. Step 6: Final answer
    x = 120,009.41

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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.