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Finding the Fourth Proportional to 150,086.44, 206,878.98 and 101,673.64

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Solution

The fourth proportional to 150,086.44, 206,878.98 and 101,673.64 is: 140,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,086.44 : 206,878.98 = 101,673.64 : x
  2. Step 2: Convert to fraction form
    150,086.44/206,878.98 = 101,673.64/x
  3. Step 3: Cross multiply
    150,086.44x = 206,878.98 × 101,673.64
  4. Step 4: Simplify right side
    150,086.44x = 21,034,138,936.09
  5. Step 5: Solve for x
    x = 21,034,138,936.09/150,086.44
  6. Step 6: Final answer
    x = 140,146.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.