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Finding the Fourth Proportional to 263,489.48, 394,992.03 and 94,968.56

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Solution

The fourth proportional to 263,489.48, 394,992.03 and 94,968.56 is: 142,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,489.48 : 394,992.03 = 94,968.56 : x
  2. Step 2: Convert to fraction form
    263,489.48/394,992.03 = 94,968.56/x
  3. Step 3: Cross multiply
    263,489.48x = 394,992.03 × 94,968.56
  4. Step 4: Simplify right side
    263,489.48x = 37,511,824,300.58
  5. Step 5: Solve for x
    x = 37,511,824,300.58/263,489.48
  6. Step 6: Final answer
    x = 142,365.55

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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.