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Finding the Fourth Proportional to 81,096.08, 110,940.02 and 80,754.53

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Solution

The fourth proportional to 81,096.08, 110,940.02 and 80,754.53 is: 110,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,096.08 : 110,940.02 = 80,754.53 : x
  2. Step 2: Convert to fraction form
    81,096.08/110,940.02 = 80,754.53/x
  3. Step 3: Cross multiply
    81,096.08x = 110,940.02 × 80,754.53
  4. Step 4: Simplify right side
    81,096.08x = 8,958,909,173.29
  5. Step 5: Solve for x
    x = 8,958,909,173.29/81,096.08
  6. Step 6: Final answer
    x = 110,472.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.