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Finding the Fourth Proportional to 92,227.96, 127,224.30 and 80,270.20

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Solution

The fourth proportional to 92,227.96, 127,224.30 and 80,270.20 is: 110,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,227.96 : 127,224.30 = 80,270.20 : x
  2. Step 2: Convert to fraction form
    92,227.96/127,224.30 = 80,270.20/x
  3. Step 3: Cross multiply
    92,227.96x = 127,224.30 × 80,270.20
  4. Step 4: Simplify right side
    92,227.96x = 10,212,320,005.86
  5. Step 5: Solve for x
    x = 10,212,320,005.86/92,227.96
  6. Step 6: Final answer
    x = 110,729.11

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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.