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Finding the Fourth Proportional to 69,651.85, 104,445.88 and 22,257.74

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Solution

The fourth proportional to 69,651.85, 104,445.88 and 22,257.74 is: 33,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,651.85 : 104,445.88 = 22,257.74 : x
  2. Step 2: Convert to fraction form
    69,651.85/104,445.88 = 22,257.74/x
  3. Step 3: Cross multiply
    69,651.85x = 104,445.88 × 22,257.74
  4. Step 4: Simplify right side
    69,651.85x = 2,324,728,921.67
  5. Step 5: Solve for x
    x = 2,324,728,921.67/69,651.85
  6. Step 6: Final answer
    x = 33,376.41

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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.