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Finding the Fourth Proportional to 92,229.96, 127,227.06 and 80,272.20

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Solution

The fourth proportional to 92,229.96, 127,227.06 and 80,272.20 is: 110,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,229.96 : 127,227.06 = 80,272.20 : x
  2. Step 2: Convert to fraction form
    92,229.96/127,227.06 = 80,272.20/x
  3. Step 3: Cross multiply
    92,229.96x = 127,227.06 × 80,272.20
  4. Step 4: Simplify right side
    92,229.96x = 10,212,796,005.73
  5. Step 5: Solve for x
    x = 10,212,796,005.73/92,229.96
  6. Step 6: Final answer
    x = 110,731.87

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1.5x scale

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.