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Finding the Fourth Proportional to 262,760.91, 394,141.36 and 63,081.30

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Solution

The fourth proportional to 262,760.91, 394,141.36 and 63,081.30 is: 94,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,760.91 : 394,141.36 = 63,081.30 : x
  2. Step 2: Convert to fraction form
    262,760.91/394,141.36 = 63,081.30/x
  3. Step 3: Cross multiply
    262,760.91x = 394,141.36 × 63,081.30
  4. Step 4: Simplify right side
    262,760.91x = 24,862,948,594.13
  5. Step 5: Solve for x
    x = 24,862,948,594.13/262,760.91
  6. Step 6: Final answer
    x = 94,621.95

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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.