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Finding the Fourth Proportional to 263,152.92, 394,760.22 and 92,322.39

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Solution

The fourth proportional to 263,152.92, 394,760.22 and 92,322.39 is: 138,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,152.92 : 394,760.22 = 92,322.39 : x
  2. Step 2: Convert to fraction form
    263,152.92/394,760.22 = 92,322.39/x
  3. Step 3: Cross multiply
    263,152.92x = 394,760.22 × 92,322.39
  4. Step 4: Simplify right side
    263,152.92x = 36,445,206,987.33
  5. Step 5: Solve for x
    x = 36,445,206,987.33/263,152.92
  6. Step 6: Final answer
    x = 138,494.40

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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.