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Finding the Fourth Proportional to 69,499.15, 104,209.22 and 27,356.39

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Solution

The fourth proportional to 69,499.15, 104,209.22 and 27,356.39 is: 41,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,499.15 : 104,209.22 = 27,356.39 : x
  2. Step 2: Convert to fraction form
    69,499.15/104,209.22 = 27,356.39/x
  3. Step 3: Cross multiply
    69,499.15x = 104,209.22 × 27,356.39
  4. Step 4: Simplify right side
    69,499.15x = 2,850,787,542.87
  5. Step 5: Solve for x
    x = 2,850,787,542.87/69,499.15
  6. Step 6: Final answer
    x = 41,019.03

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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.