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Finding the Fourth Proportional to 69,161.56, 103,751.94 and 22,399.32

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Solution

The fourth proportional to 69,161.56, 103,751.94 and 22,399.32 is: 33,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,161.56 : 103,751.94 = 22,399.32 : x
  2. Step 2: Convert to fraction form
    69,161.56/103,751.94 = 22,399.32/x
  3. Step 3: Cross multiply
    69,161.56x = 103,751.94 × 22,399.32
  4. Step 4: Simplify right side
    69,161.56x = 2,323,972,904.68
  5. Step 5: Solve for x
    x = 2,323,972,904.68/69,161.56
  6. Step 6: Final answer
    x = 33,602.09

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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.