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Finding the Fourth Proportional to 262,879.80, 394,233.30 and 96,646.20

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Solution

The fourth proportional to 262,879.80, 394,233.30 and 96,646.20 is: 144,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,879.80 : 394,233.30 = 96,646.20 : x
  2. Step 2: Convert to fraction form
    262,879.80/394,233.30 = 96,646.20/x
  3. Step 3: Cross multiply
    262,879.80x = 394,233.30 × 96,646.20
  4. Step 4: Simplify right side
    262,879.80x = 38,101,150,358.46
  5. Step 5: Solve for x
    x = 38,101,150,358.46/262,879.80
  6. Step 6: Final answer
    x = 144,937.54

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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.