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Finding the Fourth Proportional to 244,620, 366,982.65 and 76,136.76

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Solution

The fourth proportional to 244,620, 366,982.65 and 76,136.76 is: 114,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,620 : 366,982.65 = 76,136.76 : x
  2. Step 2: Convert to fraction form
    244,620/366,982.65 = 76,136.76/x
  3. Step 3: Cross multiply
    244,620x = 366,982.65 × 76,136.76
  4. Step 4: Simplify right side
    244,620x = 27,940,869,947.21
  5. Step 5: Solve for x
    x = 27,940,869,947.21/244,620
  6. Step 6: Final answer
    x = 114,221.53

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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.