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Finding the Fourth Proportional to 69,759.87, 104,643.47 and 23,016.39

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Solution

The fourth proportional to 69,759.87, 104,643.47 and 23,016.39 is: 34,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,759.87 : 104,643.47 = 23,016.39 : x
  2. Step 2: Convert to fraction form
    69,759.87/104,643.47 = 23,016.39/x
  3. Step 3: Cross multiply
    69,759.87x = 104,643.47 × 23,016.39
  4. Step 4: Simplify right side
    69,759.87x = 2,408,514,916.47
  5. Step 5: Solve for x
    x = 2,408,514,916.47/69,759.87
  6. Step 6: Final answer
    x = 34,525.79

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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.