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Finding the Fourth Proportional to 240,481.41, 360,718.46 and 82,711.23

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Solution

The fourth proportional to 240,481.41, 360,718.46 and 82,711.23 is: 124,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,481.41 : 360,718.46 = 82,711.23 : x
  2. Step 2: Convert to fraction form
    240,481.41/360,718.46 = 82,711.23/x
  3. Step 3: Cross multiply
    240,481.41x = 360,718.46 × 82,711.23
  4. Step 4: Simplify right side
    240,481.41x = 29,835,467,096.75
  5. Step 5: Solve for x
    x = 29,835,467,096.75/240,481.41
  6. Step 6: Final answer
    x = 124,065.59

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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.