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Finding the Fourth Proportional to 107,813.70, 161,744.33 and 32,939.69

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Solution

The fourth proportional to 107,813.70, 161,744.33 and 32,939.69 is: 49,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,813.70 : 161,744.33 = 32,939.69 : x
  2. Step 2: Convert to fraction form
    107,813.70/161,744.33 = 32,939.69/x
  3. Step 3: Cross multiply
    107,813.70x = 161,744.33 × 32,939.69
  4. Step 4: Simplify right side
    107,813.70x = 5,327,807,363.09
  5. Step 5: Solve for x
    x = 5,327,807,363.09/107,813.70
  6. Step 6: Final answer
    x = 49,416.79

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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.