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Finding the Fourth Proportional to 167,984.97, 251,889.98 and 49,640.33

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Solution

The fourth proportional to 167,984.97, 251,889.98 and 49,640.33 is: 74,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,984.97 : 251,889.98 = 49,640.33 : x
  2. Step 2: Convert to fraction form
    167,984.97/251,889.98 = 49,640.33/x
  3. Step 3: Cross multiply
    167,984.97x = 251,889.98 × 49,640.33
  4. Step 4: Simplify right side
    167,984.97x = 12,503,900,223.24
  5. Step 5: Solve for x
    x = 12,503,900,223.24/167,984.97
  6. Step 6: Final answer
    x = 74,434.64

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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.