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Finding the Fourth Proportional to 69,593.91, 104,297.81 and 36,243.96

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Solution

The fourth proportional to 69,593.91, 104,297.81 and 36,243.96 is: 54,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,593.91 : 104,297.81 = 36,243.96 : x
  2. Step 2: Convert to fraction form
    69,593.91/104,297.81 = 36,243.96/x
  3. Step 3: Cross multiply
    69,593.91x = 104,297.81 × 36,243.96
  4. Step 4: Simplify right side
    69,593.91x = 3,780,165,472.51
  5. Step 5: Solve for x
    x = 3,780,165,472.51/69,593.91
  6. Step 6: Final answer
    x = 54,317.48

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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.