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Finding the Fourth Proportional to 344,081.62, 516,122.43 and 107,444.58

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Solution

The fourth proportional to 344,081.62, 516,122.43 and 107,444.58 is: 161,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,081.62 : 516,122.43 = 107,444.58 : x
  2. Step 2: Convert to fraction form
    344,081.62/516,122.43 = 107,444.58/x
  3. Step 3: Cross multiply
    344,081.62x = 516,122.43 × 107,444.58
  4. Step 4: Simplify right side
    344,081.62x = 55,454,557,719.93
  5. Step 5: Solve for x
    x = 55,454,557,719.93/344,081.62
  6. Step 6: Final answer
    x = 161,166.87

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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.