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Finding the Fourth Proportional to 69,969.70, 96,481.87 and 47,269.27

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Solution

The fourth proportional to 69,969.70, 96,481.87 and 47,269.27 is: 65,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,969.70 : 96,481.87 = 47,269.27 : x
  2. Step 2: Convert to fraction form
    69,969.70/96,481.87 = 47,269.27/x
  3. Step 3: Cross multiply
    69,969.70x = 96,481.87 × 47,269.27
  4. Step 4: Simplify right side
    69,969.70x = 4,560,627,563.13
  5. Step 5: Solve for x
    x = 4,560,627,563.13/69,969.70
  6. Step 6: Final answer
    x = 65,180.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.