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Finding the Fourth Proportional to 344,241.90, 516,363.26 and 107,585.82

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Solution

The fourth proportional to 344,241.90, 516,363.26 and 107,585.82 is: 161,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,241.90 : 516,363.26 = 107,585.82 : x
  2. Step 2: Convert to fraction form
    344,241.90/516,363.26 = 107,585.82/x
  3. Step 3: Cross multiply
    344,241.90x = 516,363.26 × 107,585.82
  4. Step 4: Simplify right side
    344,241.90x = 55,553,364,207.04
  5. Step 5: Solve for x
    x = 55,553,364,207.04/344,241.90
  6. Step 6: Final answer
    x = 161,378.86

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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.