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Finding the Fourth Proportional to 107,609, 161,439.42 and 33,737

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Solution

The fourth proportional to 107,609, 161,439.42 and 33,737 is: 50,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,609 : 161,439.42 = 33,737 : x
  2. Step 2: Convert to fraction form
    107,609/161,439.42 = 33,737/x
  3. Step 3: Cross multiply
    107,609x = 161,439.42 × 33,737
  4. Step 4: Simplify right side
    107,609x = 5,446,481,712.54
  5. Step 5: Solve for x
    x = 5,446,481,712.54/107,609
  6. Step 6: Final answer
    x = 50,613.63

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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.