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Finding the Fourth Proportional to 69,800.88, 104,599.26 and 43,425.48

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Solution

The fourth proportional to 69,800.88, 104,599.26 and 43,425.48 is: 65,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,800.88 : 104,599.26 = 43,425.48 : x
  2. Step 2: Convert to fraction form
    69,800.88/104,599.26 = 43,425.48/x
  3. Step 3: Cross multiply
    69,800.88x = 104,599.26 × 43,425.48
  4. Step 4: Simplify right side
    69,800.88x = 4,542,273,073.14
  5. Step 5: Solve for x
    x = 4,542,273,073.14/69,800.88
  6. Step 6: Final answer
    x = 65,074.73

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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.