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Finding the Fourth Proportional to 69,410.80, 104,103.07 and 33,836.41

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Solution

The fourth proportional to 69,410.80, 104,103.07 and 33,836.41 is: 50,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,410.80 : 104,103.07 = 33,836.41 : x
  2. Step 2: Convert to fraction form
    69,410.80/104,103.07 = 33,836.41/x
  3. Step 3: Cross multiply
    69,410.80x = 104,103.07 × 33,836.41
  4. Step 4: Simplify right side
    69,410.80x = 3,522,473,813.93
  5. Step 5: Solve for x
    x = 3,522,473,813.93/69,410.80
  6. Step 6: Final answer
    x = 50,748.21

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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.