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Finding the Fourth Proportional to 95,967.27, 143,918.80 and 31,910.65

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Solution

The fourth proportional to 95,967.27, 143,918.80 and 31,910.65 is: 47,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,967.27 : 143,918.80 = 31,910.65 : x
  2. Step 2: Convert to fraction form
    95,967.27/143,918.80 = 31,910.65/x
  3. Step 3: Cross multiply
    95,967.27x = 143,918.80 × 31,910.65
  4. Step 4: Simplify right side
    95,967.27x = 4,592,542,015.65
  5. Step 5: Solve for x
    x = 4,592,542,015.65/95,967.27
  6. Step 6: Final answer
    x = 47,855.29

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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.