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Finding the Fourth Proportional to 69,833.44, 103,960.44 and 69,418.36

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Solution

The fourth proportional to 69,833.44, 103,960.44 and 69,418.36 is: 103,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,833.44 : 103,960.44 = 69,418.36 : x
  2. Step 2: Convert to fraction form
    69,833.44/103,960.44 = 69,418.36/x
  3. Step 3: Cross multiply
    69,833.44x = 103,960.44 × 69,418.36
  4. Step 4: Simplify right side
    69,833.44x = 7,216,763,249.68
  5. Step 5: Solve for x
    x = 7,216,763,249.68/69,833.44
  6. Step 6: Final answer
    x = 103,342.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.