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Finding the Fourth Proportional to 167,987.45, 251,978.02 and 41,627.99

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Solution

The fourth proportional to 167,987.45, 251,978.02 and 41,627.99 is: 62,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987.45 : 251,978.02 = 41,627.99 : x
  2. Step 2: Convert to fraction form
    167,987.45/251,978.02 = 41,627.99/x
  3. Step 3: Cross multiply
    167,987.45x = 251,978.02 × 41,627.99
  4. Step 4: Simplify right side
    167,987.45x = 10,489,339,022.65
  5. Step 5: Solve for x
    x = 10,489,339,022.65/167,987.45
  6. Step 6: Final answer
    x = 62,441.21

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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.