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Finding the Fourth Proportional to 69,522.36, 104,290.86 and 22,778.88

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Solution

The fourth proportional to 69,522.36, 104,290.86 and 22,778.88 is: 34,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,522.36 : 104,290.86 = 22,778.88 : x
  2. Step 2: Convert to fraction form
    69,522.36/104,290.86 = 22,778.88/x
  3. Step 3: Cross multiply
    69,522.36x = 104,290.86 × 22,778.88
  4. Step 4: Simplify right side
    69,522.36x = 2,375,628,985.04
  5. Step 5: Solve for x
    x = 2,375,628,985.04/69,522.36
  6. Step 6: Final answer
    x = 34,170.72

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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.