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Finding the Fourth Proportional to 167,766, 251,649 and 43,107

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Solution

The fourth proportional to 167,766, 251,649 and 43,107 is: 64,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,766 : 251,649 = 43,107 : x
  2. Step 2: Convert to fraction form
    167,766/251,649 = 43,107/x
  3. Step 3: Cross multiply
    167,766x = 251,649 × 43,107
  4. Step 4: Simplify right side
    167,766x = 10,847,833,443
  5. Step 5: Solve for x
    x = 10,847,833,443/167,766
  6. Step 6: Final answer
    x = 64,660.50

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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.