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Finding the Fourth Proportional to 95,890.78, 143,450.73 and 82,882.78

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Solution

The fourth proportional to 95,890.78, 143,450.73 and 82,882.78 is: 123,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,890.78 : 143,450.73 = 82,882.78 : x
  2. Step 2: Convert to fraction form
    95,890.78/143,450.73 = 82,882.78/x
  3. Step 3: Cross multiply
    95,890.78x = 143,450.73 × 82,882.78
  4. Step 4: Simplify right side
    95,890.78x = 11,889,595,295.43
  5. Step 5: Solve for x
    x = 11,889,595,295.43/95,890.78
  6. Step 6: Final answer
    x = 123,991.02

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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.