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Finding the Fourth Proportional to 344,568.99, 516,853.52 and 107,930.13

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Solution

The fourth proportional to 344,568.99, 516,853.52 and 107,930.13 is: 161,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,568.99 : 516,853.52 = 107,930.13 : x
  2. Step 2: Convert to fraction form
    344,568.99/516,853.52 = 107,930.13/x
  3. Step 3: Cross multiply
    344,568.99x = 516,853.52 × 107,930.13
  4. Step 4: Simplify right side
    344,568.99x = 55,784,067,604.56
  5. Step 5: Solve for x
    x = 55,784,067,604.56/344,568.99
  6. Step 6: Final answer
    x = 161,895.21

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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.