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Finding the Fourth Proportional to 208,244.76, 312,422.43 and 108,375.41

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Solution

The fourth proportional to 208,244.76, 312,422.43 and 108,375.41 is: 162,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,244.76 : 312,422.43 = 108,375.41 : x
  2. Step 2: Convert to fraction form
    208,244.76/312,422.43 = 108,375.41/x
  3. Step 3: Cross multiply
    208,244.76x = 312,422.43 × 108,375.41
  4. Step 4: Simplify right side
    208,244.76x = 33,858,907,382.33
  5. Step 5: Solve for x
    x = 33,858,907,382.33/208,244.76
  6. Step 6: Final answer
    x = 162,591.88

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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.