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Finding the Fourth Proportional to 263,112.94, 394,694.35 and 73,573.31

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Solution

The fourth proportional to 263,112.94, 394,694.35 and 73,573.31 is: 110,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,112.94 : 394,694.35 = 73,573.31 : x
  2. Step 2: Convert to fraction form
    263,112.94/394,694.35 = 73,573.31/x
  3. Step 3: Cross multiply
    263,112.94x = 394,694.35 × 73,573.31
  4. Step 4: Simplify right side
    263,112.94x = 29,038,969,767.80
  5. Step 5: Solve for x
    x = 29,038,969,767.80/263,112.94
  6. Step 6: Final answer
    x = 110,366.94

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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.