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Finding the Fourth Proportional to 107,392.73, 160,843.73 and 51,272.28

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Solution

The fourth proportional to 107,392.73, 160,843.73 and 51,272.28 is: 76,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,392.73 : 160,843.73 = 51,272.28 : x
  2. Step 2: Convert to fraction form
    107,392.73/160,843.73 = 51,272.28/x
  3. Step 3: Cross multiply
    107,392.73x = 160,843.73 × 51,272.28
  4. Step 4: Simplify right side
    107,392.73x = 8,246,824,504.44
  5. Step 5: Solve for x
    x = 8,246,824,504.44/107,392.73
  6. Step 6: Final answer
    x = 76,791.28

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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.