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Finding the Fourth Proportional to 115,963.56, 173,942.60 and 37,078.47

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Solution

The fourth proportional to 115,963.56, 173,942.60 and 37,078.47 is: 55,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,963.56 : 173,942.60 = 37,078.47 : x
  2. Step 2: Convert to fraction form
    115,963.56/173,942.60 = 37,078.47/x
  3. Step 3: Cross multiply
    115,963.56x = 173,942.60 × 37,078.47
  4. Step 4: Simplify right side
    115,963.56x = 6,449,525,290.43
  5. Step 5: Solve for x
    x = 6,449,525,290.43/115,963.56
  6. Step 6: Final answer
    x = 55,616.83

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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.