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Finding the Fourth Proportional to 188,896.20, 283,344.30 and 186,927.90

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Solution

The fourth proportional to 188,896.20, 283,344.30 and 186,927.90 is: 280,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,896.20 : 283,344.30 = 186,927.90 : x
  2. Step 2: Convert to fraction form
    188,896.20/283,344.30 = 186,927.90/x
  3. Step 3: Cross multiply
    188,896.20x = 283,344.30 × 186,927.90
  4. Step 4: Simplify right side
    188,896.20x = 52,964,954,975.97
  5. Step 5: Solve for x
    x = 52,964,954,975.97/188,896.20
  6. Step 6: Final answer
    x = 280,391.85

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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.