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Finding the Fourth Proportional to 64,096.56, 95,976.60 and 45,274.80

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Solution

The fourth proportional to 64,096.56, 95,976.60 and 45,274.80 is: 67,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,096.56 : 95,976.60 = 45,274.80 : x
  2. Step 2: Convert to fraction form
    64,096.56/95,976.60 = 45,274.80/x
  3. Step 3: Cross multiply
    64,096.56x = 95,976.60 × 45,274.80
  4. Step 4: Simplify right side
    64,096.56x = 4,345,321,369.68
  5. Step 5: Solve for x
    x = 4,345,321,369.68/64,096.56
  6. Step 6: Final answer
    x = 67,793.36

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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.