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Finding the Fourth Proportional to 69,495.78, 104,242.62 and 22,113.75

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Solution

The fourth proportional to 69,495.78, 104,242.62 and 22,113.75 is: 33,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,495.78 : 104,242.62 = 22,113.75 : x
  2. Step 2: Convert to fraction form
    69,495.78/104,242.62 = 22,113.75/x
  3. Step 3: Cross multiply
    69,495.78x = 104,242.62 × 22,113.75
  4. Step 4: Simplify right side
    69,495.78x = 2,305,195,238.03
  5. Step 5: Solve for x
    x = 2,305,195,238.03/69,495.78
  6. Step 6: Final answer
    x = 33,170.29

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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.