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Finding the Fourth Proportional to 89,591.70, 134,268.11 and 33,375.20

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Solution

The fourth proportional to 89,591.70, 134,268.11 and 33,375.20 is: 50,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,591.70 : 134,268.11 = 33,375.20 : x
  2. Step 2: Convert to fraction form
    89,591.70/134,268.11 = 33,375.20/x
  3. Step 3: Cross multiply
    89,591.70x = 134,268.11 × 33,375.20
  4. Step 4: Simplify right side
    89,591.70x = 4,481,224,815.32
  5. Step 5: Solve for x
    x = 4,481,224,815.32/89,591.70
  6. Step 6: Final answer
    x = 50,018.31

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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.