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Finding the Fourth Proportional to 69,754.56, 104,616.06 and 19,833.56

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Solution

The fourth proportional to 69,754.56, 104,616.06 and 19,833.56 is: 29,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,754.56 : 104,616.06 = 19,833.56 : x
  2. Step 2: Convert to fraction form
    69,754.56/104,616.06 = 19,833.56/x
  3. Step 3: Cross multiply
    69,754.56x = 104,616.06 × 19,833.56
  4. Step 4: Simplify right side
    69,754.56x = 2,074,908,902.97
  5. Step 5: Solve for x
    x = 2,074,908,902.97/69,754.56
  6. Step 6: Final answer
    x = 29,745.85

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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.