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Finding the Fourth Proportional to 240,579.91, 360,866.08 and 82,809.73

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Solution

The fourth proportional to 240,579.91, 360,866.08 and 82,809.73 is: 124,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,579.91 : 360,866.08 = 82,809.73 : x
  2. Step 2: Convert to fraction form
    240,579.91/360,866.08 = 82,809.73/x
  3. Step 3: Cross multiply
    240,579.91x = 360,866.08 × 82,809.73
  4. Step 4: Simplify right side
    240,579.91x = 29,883,222,650.96
  5. Step 5: Solve for x
    x = 29,883,222,650.96/240,579.91
  6. Step 6: Final answer
    x = 124,213.29

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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.