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Finding the Fourth Proportional to 240,576.66, 360,861.21 and 82,806.48

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Solution

The fourth proportional to 240,576.66, 360,861.21 and 82,806.48 is: 124,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,576.66 : 360,861.21 = 82,806.48 : x
  2. Step 2: Convert to fraction form
    240,576.66/360,861.21 = 82,806.48/x
  3. Step 3: Cross multiply
    240,576.66x = 360,861.21 × 82,806.48
  4. Step 4: Simplify right side
    240,576.66x = 29,881,646,568.64
  5. Step 5: Solve for x
    x = 29,881,646,568.64/240,576.66
  6. Step 6: Final answer
    x = 124,208.42

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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.