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Finding the Fourth Proportional to 79,579.97, 119,209.78 and 36,825.14

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Solution

The fourth proportional to 79,579.97, 119,209.78 and 36,825.14 is: 55,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,579.97 : 119,209.78 = 36,825.14 : x
  2. Step 2: Convert to fraction form
    79,579.97/119,209.78 = 36,825.14/x
  3. Step 3: Cross multiply
    79,579.97x = 119,209.78 × 36,825.14
  4. Step 4: Simplify right side
    79,579.97x = 4,389,916,057.69
  5. Step 5: Solve for x
    x = 4,389,916,057.69/79,579.97
  6. Step 6: Final answer
    x = 55,163.58

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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.