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Finding the Fourth Proportional to 207,352.44, 310,843.44 and 80,963.28

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Solution

The fourth proportional to 207,352.44, 310,843.44 and 80,963.28 is: 121,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,352.44 : 310,843.44 = 80,963.28 : x
  2. Step 2: Convert to fraction form
    207,352.44/310,843.44 = 80,963.28/x
  3. Step 3: Cross multiply
    207,352.44x = 310,843.44 × 80,963.28
  4. Step 4: Simplify right side
    207,352.44x = 25,166,904,468.88
  5. Step 5: Solve for x
    x = 25,166,904,468.88/207,352.44
  6. Step 6: Final answer
    x = 121,372.60

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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.