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Finding the Fourth Proportional to 333,456.67, 500,186.26 and 80,736.75

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Solution

The fourth proportional to 333,456.67, 500,186.26 and 80,736.75 is: 121,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,456.67 : 500,186.26 = 80,736.75 : x
  2. Step 2: Convert to fraction form
    333,456.67/500,186.26 = 80,736.75/x
  3. Step 3: Cross multiply
    333,456.67x = 500,186.26 × 80,736.75
  4. Step 4: Simplify right side
    333,456.67x = 40,383,413,355.05
  5. Step 5: Solve for x
    x = 40,383,413,355.05/333,456.67
  6. Step 6: Final answer
    x = 121,105.43

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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.