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Finding the Fourth Proportional to 69,548.41, 104,235.13 and 49,865.41

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Solution

The fourth proportional to 69,548.41, 104,235.13 and 49,865.41 is: 74,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,548.41 : 104,235.13 = 49,865.41 : x
  2. Step 2: Convert to fraction form
    69,548.41/104,235.13 = 49,865.41/x
  3. Step 3: Cross multiply
    69,548.41x = 104,235.13 × 49,865.41
  4. Step 4: Simplify right side
    69,548.41x = 5,197,727,493.85
  5. Step 5: Solve for x
    x = 5,197,727,493.85/69,548.41
  6. Step 6: Final answer
    x = 74,735.39

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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.