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Finding the Fourth Proportional to 263,257.97, 394,111.93 and 163,096.11

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Solution

The fourth proportional to 263,257.97, 394,111.93 and 163,096.11 is: 244,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,257.97 : 394,111.93 = 163,096.11 : x
  2. Step 2: Convert to fraction form
    263,257.97/394,111.93 = 163,096.11/x
  3. Step 3: Cross multiply
    263,257.97x = 394,111.93 × 163,096.11
  4. Step 4: Simplify right side
    263,257.97x = 64,278,122,687.59
  5. Step 5: Solve for x
    x = 64,278,122,687.59/263,257.97
  6. Step 6: Final answer
    x = 244,164.01

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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.