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Finding the Fourth Proportional to 69,668.44, 104,517.78 and 22,919.56

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Solution

The fourth proportional to 69,668.44, 104,517.78 and 22,919.56 is: 34,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.44 : 104,517.78 = 22,919.56 : x
  2. Step 2: Convert to fraction form
    69,668.44/104,517.78 = 22,919.56/x
  3. Step 3: Cross multiply
    69,668.44x = 104,517.78 × 22,919.56
  4. Step 4: Simplify right side
    69,668.44x = 2,395,501,529.78
  5. Step 5: Solve for x
    x = 2,395,501,529.78/69,668.44
  6. Step 6: Final answer
    x = 34,384.31

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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.