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Finding the Fourth Proportional to 69,825.44, 104,743.02 and 23,111.12

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Solution

The fourth proportional to 69,825.44, 104,743.02 and 23,111.12 is: 34,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,825.44 : 104,743.02 = 23,111.12 : x
  2. Step 2: Convert to fraction form
    69,825.44/104,743.02 = 23,111.12/x
  3. Step 3: Cross multiply
    69,825.44x = 104,743.02 × 23,111.12
  4. Step 4: Simplify right side
    69,825.44x = 2,420,728,504.38
  5. Step 5: Solve for x
    x = 2,420,728,504.38/69,825.44
  6. Step 6: Final answer
    x = 34,668.29

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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.