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Finding the Fourth Proportional to 69,046.42, 103,560.99 and 27,522.58

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Solution

The fourth proportional to 69,046.42, 103,560.99 and 27,522.58 is: 41,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,046.42 : 103,560.99 = 27,522.58 : x
  2. Step 2: Convert to fraction form
    69,046.42/103,560.99 = 27,522.58/x
  3. Step 3: Cross multiply
    69,046.42x = 103,560.99 × 27,522.58
  4. Step 4: Simplify right side
    69,046.42x = 2,850,265,632.15
  5. Step 5: Solve for x
    x = 2,850,265,632.15/69,046.42
  6. Step 6: Final answer
    x = 41,280.43

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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.