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Finding the Fourth Proportional to 95,296.40, 142,944.60 and 82,163.60

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Solution

The fourth proportional to 95,296.40, 142,944.60 and 82,163.60 is: 123,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,296.40 : 142,944.60 = 82,163.60 : x
  2. Step 2: Convert to fraction form
    95,296.40/142,944.60 = 82,163.60/x
  3. Step 3: Cross multiply
    95,296.40x = 142,944.60 × 82,163.60
  4. Step 4: Simplify right side
    95,296.40x = 11,744,842,936.56
  5. Step 5: Solve for x
    x = 11,744,842,936.56/95,296.40
  6. Step 6: Final answer
    x = 123,245.40

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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.