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Finding the Fourth Proportional to 69,563.56, 104,344.86 and 48,879.40

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Solution

The fourth proportional to 69,563.56, 104,344.86 and 48,879.40 is: 73,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,563.56 : 104,344.86 = 48,879.40 : x
  2. Step 2: Convert to fraction form
    69,563.56/104,344.86 = 48,879.40/x
  3. Step 3: Cross multiply
    69,563.56x = 104,344.86 × 48,879.40
  4. Step 4: Simplify right side
    69,563.56x = 5,100,314,149.88
  5. Step 5: Solve for x
    x = 5,100,314,149.88/69,563.56
  6. Step 6: Final answer
    x = 73,318.76

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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.