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Finding the Fourth Proportional to 69,998.21, 104,930.81 and 44,626.51

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Solution

The fourth proportional to 69,998.21, 104,930.81 and 44,626.51 is: 66,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,998.21 : 104,930.81 = 44,626.51 : x
  2. Step 2: Convert to fraction form
    69,998.21/104,930.81 = 44,626.51/x
  3. Step 3: Cross multiply
    69,998.21x = 104,930.81 × 44,626.51
  4. Step 4: Simplify right side
    69,998.21x = 4,682,695,917.15
  5. Step 5: Solve for x
    x = 4,682,695,917.15/69,998.21
  6. Step 6: Final answer
    x = 66,897.37

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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.