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Finding the Fourth Proportional to 69,797.74, 104,708.28 and 54,804.25

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Solution

The fourth proportional to 69,797.74, 104,708.28 and 54,804.25 is: 82,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,797.74 : 104,708.28 = 54,804.25 : x
  2. Step 2: Convert to fraction form
    69,797.74/104,708.28 = 54,804.25/x
  3. Step 3: Cross multiply
    69,797.74x = 104,708.28 × 54,804.25
  4. Step 4: Simplify right side
    69,797.74x = 5,738,458,814.90
  5. Step 5: Solve for x
    x = 5,738,458,814.90/69,797.74
  6. Step 6: Final answer
    x = 82,215.54

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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.