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Finding the Fourth Proportional to 69,786.62, 104,679.99 and 17,196.11

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Solution

The fourth proportional to 69,786.62, 104,679.99 and 17,196.11 is: 25,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,786.62 : 104,679.99 = 17,196.11 : x
  2. Step 2: Convert to fraction form
    69,786.62/104,679.99 = 17,196.11/x
  3. Step 3: Cross multiply
    69,786.62x = 104,679.99 × 17,196.11
  4. Step 4: Simplify right side
    69,786.62x = 1,800,088,579.85
  5. Step 5: Solve for x
    x = 1,800,088,579.85/69,786.62
  6. Step 6: Final answer
    x = 25,794.18

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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.