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Finding the Fourth Proportional to 165,672.73, 248,517.73 and 47,361.97

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Solution

The fourth proportional to 165,672.73, 248,517.73 and 47,361.97 is: 71,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,672.73 : 248,517.73 = 47,361.97 : x
  2. Step 2: Convert to fraction form
    165,672.73/248,517.73 = 47,361.97/x
  3. Step 3: Cross multiply
    165,672.73x = 248,517.73 × 47,361.97
  4. Step 4: Simplify right side
    165,672.73x = 11,770,288,030.14
  5. Step 5: Solve for x
    x = 11,770,288,030.14/165,672.73
  6. Step 6: Final answer
    x = 71,045.42

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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.