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Finding the Fourth Proportional to 69,857.94, 104,791.77 and 23,143.62

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Solution

The fourth proportional to 69,857.94, 104,791.77 and 23,143.62 is: 34,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.94 : 104,791.77 = 23,143.62 : x
  2. Step 2: Convert to fraction form
    69,857.94/104,791.77 = 23,143.62/x
  3. Step 3: Cross multiply
    69,857.94x = 104,791.77 × 23,143.62
  4. Step 4: Simplify right side
    69,857.94x = 2,425,260,904.01
  5. Step 5: Solve for x
    x = 2,425,260,904.01/69,857.94
  6. Step 6: Final answer
    x = 34,717.04

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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.