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Finding the Fourth Proportional to 344,190.80, 516,286.20 and 94,872.80

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Solution

The fourth proportional to 344,190.80, 516,286.20 and 94,872.80 is: 142,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,190.80 : 516,286.20 = 94,872.80 : x
  2. Step 2: Convert to fraction form
    344,190.80/516,286.20 = 94,872.80/x
  3. Step 3: Cross multiply
    344,190.80x = 516,286.20 × 94,872.80
  4. Step 4: Simplify right side
    344,190.80x = 48,981,517,395.36
  5. Step 5: Solve for x
    x = 48,981,517,395.36/344,190.80
  6. Step 6: Final answer
    x = 142,309.20

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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.