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Finding the Fourth Proportional to 262,853.80, 394,194.30 and 96,620.20

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Solution

The fourth proportional to 262,853.80, 394,194.30 and 96,620.20 is: 144,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,853.80 : 394,194.30 = 96,620.20 : x
  2. Step 2: Convert to fraction form
    262,853.80/394,194.30 = 96,620.20/x
  3. Step 3: Cross multiply
    262,853.80x = 394,194.30 × 96,620.20
  4. Step 4: Simplify right side
    262,853.80x = 38,087,132,104.86
  5. Step 5: Solve for x
    x = 38,087,132,104.86/262,853.80
  6. Step 6: Final answer
    x = 144,898.54

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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.