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Finding the Fourth Proportional to 199,951.57, 299,927.31 and 80,062.48

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Solution

The fourth proportional to 199,951.57, 299,927.31 and 80,062.48 is: 120,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,951.57 : 299,927.31 = 80,062.48 : x
  2. Step 2: Convert to fraction form
    199,951.57/299,927.31 = 80,062.48/x
  3. Step 3: Cross multiply
    199,951.57x = 299,927.31 × 80,062.48
  4. Step 4: Simplify right side
    199,951.57x = 24,012,924,258.33
  5. Step 5: Solve for x
    x = 24,012,924,258.33/199,951.57
  6. Step 6: Final answer
    x = 120,093.70

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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.