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Finding the Fourth Proportional to 95,178.75, 142,769.12 and 39,004.44

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Solution

The fourth proportional to 95,178.75, 142,769.12 and 39,004.44 is: 58,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,178.75 : 142,769.12 = 39,004.44 : x
  2. Step 2: Convert to fraction form
    95,178.75/142,769.12 = 39,004.44/x
  3. Step 3: Cross multiply
    95,178.75x = 142,769.12 × 39,004.44
  4. Step 4: Simplify right side
    95,178.75x = 5,568,629,379.87
  5. Step 5: Solve for x
    x = 5,568,629,379.87/95,178.75
  6. Step 6: Final answer
    x = 58,507.07

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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.