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Finding the Fourth Proportional to 131,794, 197,195 and 92,427.92

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Solution

The fourth proportional to 131,794, 197,195 and 92,427.92 is: 138,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,794 : 197,195 = 92,427.92 : x
  2. Step 2: Convert to fraction form
    131,794/197,195 = 92,427.92/x
  3. Step 3: Cross multiply
    131,794x = 197,195 × 92,427.92
  4. Step 4: Simplify right side
    131,794x = 18,226,323,684.40
  5. Step 5: Solve for x
    x = 18,226,323,684.40/131,794
  6. Step 6: Final answer
    x = 138,294.03

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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.