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Finding the Fourth Proportional to 275,769.65, 413,605.20 and 73,366.85

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Solution

The fourth proportional to 275,769.65, 413,605.20 and 73,366.85 is: 110,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,769.65 : 413,605.20 = 73,366.85 : x
  2. Step 2: Convert to fraction form
    275,769.65/413,605.20 = 73,366.85/x
  3. Step 3: Cross multiply
    275,769.65x = 413,605.20 × 73,366.85
  4. Step 4: Simplify right side
    275,769.65x = 30,344,910,667.62
  5. Step 5: Solve for x
    x = 30,344,910,667.62/275,769.65
  6. Step 6: Final answer
    x = 110,037.17

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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.