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Finding the Fourth Proportional to 69,571.72, 104,289 and 44,540.56

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Solution

The fourth proportional to 69,571.72, 104,289 and 44,540.56 is: 66,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,571.72 : 104,289 = 44,540.56 : x
  2. Step 2: Convert to fraction form
    69,571.72/104,289 = 44,540.56/x
  3. Step 3: Cross multiply
    69,571.72x = 104,289 × 44,540.56
  4. Step 4: Simplify right side
    69,571.72x = 4,645,090,461.84
  5. Step 5: Solve for x
    x = 4,645,090,461.84/69,571.72
  6. Step 6: Final answer
    x = 66,766.93

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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.