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Finding the Fourth Proportional to 95,220.78, 142,832.60 and 36,040.56

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Solution

The fourth proportional to 95,220.78, 142,832.60 and 36,040.56 is: 54,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,220.78 : 142,832.60 = 36,040.56 : x
  2. Step 2: Convert to fraction form
    95,220.78/142,832.60 = 36,040.56/x
  3. Step 3: Cross multiply
    95,220.78x = 142,832.60 × 36,040.56
  4. Step 4: Simplify right side
    95,220.78x = 5,147,766,890.26
  5. Step 5: Solve for x
    x = 5,147,766,890.26/95,220.78
  6. Step 6: Final answer
    x = 54,061.38

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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.