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Finding the Fourth Proportional to 69,485.25, 104,226.77 and 22,099.66

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Solution

The fourth proportional to 69,485.25, 104,226.77 and 22,099.66 is: 33,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,485.25 : 104,226.77 = 22,099.66 : x
  2. Step 2: Convert to fraction form
    69,485.25/104,226.77 = 22,099.66/x
  3. Step 3: Cross multiply
    69,485.25x = 104,226.77 × 22,099.66
  4. Step 4: Simplify right side
    69,485.25x = 2,303,375,974.58
  5. Step 5: Solve for x
    x = 2,303,375,974.58/69,485.25
  6. Step 6: Final answer
    x = 33,149.14

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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.