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Finding the Fourth Proportional to 92,231.96, 127,229.82 and 80,274.20

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Solution

The fourth proportional to 92,231.96, 127,229.82 and 80,274.20 is: 110,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,231.96 : 127,229.82 = 80,274.20 : x
  2. Step 2: Convert to fraction form
    92,231.96/127,229.82 = 80,274.20/x
  3. Step 3: Cross multiply
    92,231.96x = 127,229.82 × 80,274.20
  4. Step 4: Simplify right side
    92,231.96x = 10,213,272,016.64
  5. Step 5: Solve for x
    x = 10,213,272,016.64/92,231.96
  6. Step 6: Final answer
    x = 110,734.63

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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.