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Finding the Fourth Proportional to 69,976.68, 104,942.28 and 23,217

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Solution

The fourth proportional to 69,976.68, 104,942.28 and 23,217 is: 34,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976.68 : 104,942.28 = 23,217 : x
  2. Step 2: Convert to fraction form
    69,976.68/104,942.28 = 23,217/x
  3. Step 3: Cross multiply
    69,976.68x = 104,942.28 × 23,217
  4. Step 4: Simplify right side
    69,976.68x = 2,436,444,914.76
  5. Step 5: Solve for x
    x = 2,436,444,914.76/69,976.68
  6. Step 6: Final answer
    x = 34,817.96

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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.