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Finding the Fourth Proportional to 69,414.66, 104,121.99 and 16,824.14

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Solution

The fourth proportional to 69,414.66, 104,121.99 and 16,824.14 is: 25,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414.66 : 104,121.99 = 16,824.14 : x
  2. Step 2: Convert to fraction form
    69,414.66/104,121.99 = 16,824.14/x
  3. Step 3: Cross multiply
    69,414.66x = 104,121.99 × 16,824.14
  4. Step 4: Simplify right side
    69,414.66x = 1,751,763,113.02
  5. Step 5: Solve for x
    x = 1,751,763,113.02/69,414.66
  6. Step 6: Final answer
    x = 25,236.21

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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.