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Finding the Fourth Proportional to 95,440.70, 143,161.05 and 82,027.10

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Solution

The fourth proportional to 95,440.70, 143,161.05 and 82,027.10 is: 123,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,440.70 : 143,161.05 = 82,027.10 : x
  2. Step 2: Convert to fraction form
    95,440.70/143,161.05 = 82,027.10/x
  3. Step 3: Cross multiply
    95,440.70x = 143,161.05 × 82,027.10
  4. Step 4: Simplify right side
    95,440.70x = 11,743,085,764.46
  5. Step 5: Solve for x
    x = 11,743,085,764.46/95,440.70
  6. Step 6: Final answer
    x = 123,040.65

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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.