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Finding the Fourth Proportional to 262,768.04, 394,149.18 and 75,773.48

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Solution

The fourth proportional to 262,768.04, 394,149.18 and 75,773.48 is: 113,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,768.04 : 394,149.18 = 75,773.48 : x
  2. Step 2: Convert to fraction form
    262,768.04/394,149.18 = 75,773.48/x
  3. Step 3: Cross multiply
    262,768.04x = 394,149.18 × 75,773.48
  4. Step 4: Simplify right side
    262,768.04x = 29,866,055,007.75
  5. Step 5: Solve for x
    x = 29,866,055,007.75/262,768.04
  6. Step 6: Final answer
    x = 113,659.39

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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.