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Finding the Fourth Proportional to 188,906.58, 283,414.99 and 70,550.69

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Solution

The fourth proportional to 188,906.58, 283,414.99 and 70,550.69 is: 105,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,906.58 : 283,414.99 = 70,550.69 : x
  2. Step 2: Convert to fraction form
    188,906.58/283,414.99 = 70,550.69/x
  3. Step 3: Cross multiply
    188,906.58x = 283,414.99 × 70,550.69
  4. Step 4: Simplify right side
    188,906.58x = 19,995,123,100.84
  5. Step 5: Solve for x
    x = 19,995,123,100.84/188,906.58
  6. Step 6: Final answer
    x = 105,846.62

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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.