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Finding the Fourth Proportional to 95,398.80, 143,099.52 and 28,839.48

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Solution

The fourth proportional to 95,398.80, 143,099.52 and 28,839.48 is: 43,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,398.80 : 143,099.52 = 28,839.48 : x
  2. Step 2: Convert to fraction form
    95,398.80/143,099.52 = 28,839.48/x
  3. Step 3: Cross multiply
    95,398.80x = 143,099.52 × 28,839.48
  4. Step 4: Simplify right side
    95,398.80x = 4,126,915,745.05
  5. Step 5: Solve for x
    x = 4,126,915,745.05/95,398.80
  6. Step 6: Final answer
    x = 43,259.62

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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.