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Finding the Fourth Proportional to 69,909.36, 104,839.34 and 22,522.54

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Solution

The fourth proportional to 69,909.36, 104,839.34 and 22,522.54 is: 33,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,909.36 : 104,839.34 = 22,522.54 : x
  2. Step 2: Convert to fraction form
    69,909.36/104,839.34 = 22,522.54/x
  3. Step 3: Cross multiply
    69,909.36x = 104,839.34 × 22,522.54
  4. Step 4: Simplify right side
    69,909.36x = 2,361,248,116.11
  5. Step 5: Solve for x
    x = 2,361,248,116.11/69,909.36
  6. Step 6: Final answer
    x = 33,775.85

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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.