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Finding the Fourth Proportional to 100,449.91, 150,697.87 and 43,533.37

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Solution

The fourth proportional to 100,449.91, 150,697.87 and 43,533.37 is: 65,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,449.91 : 150,697.87 = 43,533.37 : x
  2. Step 2: Convert to fraction form
    100,449.91/150,697.87 = 43,533.37/x
  3. Step 3: Cross multiply
    100,449.91x = 150,697.87 × 43,533.37
  4. Step 4: Simplify right side
    100,449.91x = 6,560,386,591.92
  5. Step 5: Solve for x
    x = 6,560,386,591.92/100,449.91
  6. Step 6: Final answer
    x = 65,310.03

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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.