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Finding the Fourth Proportional to 215,694.44, 323,428.34 and 95,699.41

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Solution

The fourth proportional to 215,694.44, 323,428.34 and 95,699.41 is: 143,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,694.44 : 323,428.34 = 95,699.41 : x
  2. Step 2: Convert to fraction form
    215,694.44/323,428.34 = 95,699.41/x
  3. Step 3: Cross multiply
    215,694.44x = 323,428.34 × 95,699.41
  4. Step 4: Simplify right side
    215,694.44x = 30,951,899,698.14
  5. Step 5: Solve for x
    x = 30,951,899,698.14/215,694.44
  6. Step 6: Final answer
    x = 143,498.83

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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.