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Finding the Fourth Proportional to 394,120.98, 591,181.48 and 94,601.56

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Solution

The fourth proportional to 394,120.98, 591,181.48 and 94,601.56 is: 141,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,120.98 : 591,181.48 = 94,601.56 : x
  2. Step 2: Convert to fraction form
    394,120.98/591,181.48 = 94,601.56/x
  3. Step 3: Cross multiply
    394,120.98x = 591,181.48 × 94,601.56
  4. Step 4: Simplify right side
    394,120.98x = 55,926,690,014.60
  5. Step 5: Solve for x
    x = 55,926,690,014.60/394,120.98
  6. Step 6: Final answer
    x = 141,902.34

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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.