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Finding the Fourth Proportional to 69,908.91, 104,667.97 and 37,772.87

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Solution

The fourth proportional to 69,908.91, 104,667.97 and 37,772.87 is: 56,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,908.91 : 104,667.97 = 37,772.87 : x
  2. Step 2: Convert to fraction form
    69,908.91/104,667.97 = 37,772.87/x
  3. Step 3: Cross multiply
    69,908.91x = 104,667.97 × 37,772.87
  4. Step 4: Simplify right side
    69,908.91x = 3,953,609,183.26
  5. Step 5: Solve for x
    x = 3,953,609,183.26/69,908.91
  6. Step 6: Final answer
    x = 56,553.73

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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.