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Finding the Fourth Proportional to 69,806.72, 104,633.92 and 34,292.48

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Solution

The fourth proportional to 69,806.72, 104,633.92 and 34,292.48 is: 51,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,806.72 : 104,633.92 = 34,292.48 : x
  2. Step 2: Convert to fraction form
    69,806.72/104,633.92 = 34,292.48/x
  3. Step 3: Cross multiply
    69,806.72x = 104,633.92 × 34,292.48
  4. Step 4: Simplify right side
    69,806.72x = 3,588,156,608.92
  5. Step 5: Solve for x
    x = 3,588,156,608.92/69,806.72
  6. Step 6: Final answer
    x = 51,401.31

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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.