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Finding the Fourth Proportional to 83,906.79, 125,846.42 and 23,102.87

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Solution

The fourth proportional to 83,906.79, 125,846.42 and 23,102.87 is: 34,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,906.79 : 125,846.42 = 23,102.87 : x
  2. Step 2: Convert to fraction form
    83,906.79/125,846.42 = 23,102.87/x
  3. Step 3: Cross multiply
    83,906.79x = 125,846.42 × 23,102.87
  4. Step 4: Simplify right side
    83,906.79x = 2,907,413,738.08
  5. Step 5: Solve for x
    x = 2,907,413,738.08/83,906.79
  6. Step 6: Final answer
    x = 34,650.52

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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.