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Finding the Fourth Proportional to 69,396.72, 104,109.48 and 27,846.96

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Solution

The fourth proportional to 69,396.72, 104,109.48 and 27,846.96 is: 41,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,396.72 : 104,109.48 = 27,846.96 : x
  2. Step 2: Convert to fraction form
    69,396.72/104,109.48 = 27,846.96/x
  3. Step 3: Cross multiply
    69,396.72x = 104,109.48 × 27,846.96
  4. Step 4: Simplify right side
    69,396.72x = 2,899,132,525.18
  5. Step 5: Solve for x
    x = 2,899,132,525.18/69,396.72
  6. Step 6: Final answer
    x = 41,776.22

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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.