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Finding the Fourth Proportional to 95,161.52, 142,763.16 and 39,002

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Solution

The fourth proportional to 95,161.52, 142,763.16 and 39,002 is: 58,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,161.52 : 142,763.16 = 39,002 : x
  2. Step 2: Convert to fraction form
    95,161.52/142,763.16 = 39,002/x
  3. Step 3: Cross multiply
    95,161.52x = 142,763.16 × 39,002
  4. Step 4: Simplify right side
    95,161.52x = 5,568,048,766.32
  5. Step 5: Solve for x
    x = 5,568,048,766.32/95,161.52
  6. Step 6: Final answer
    x = 58,511.56

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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.