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Finding the Fourth Proportional to 49,233.60, 73,785.60 and 43,660.80

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Solution

The fourth proportional to 49,233.60, 73,785.60 and 43,660.80 is: 65,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,233.60 : 73,785.60 = 43,660.80 : x
  2. Step 2: Convert to fraction form
    49,233.60/73,785.60 = 43,660.80/x
  3. Step 3: Cross multiply
    49,233.60x = 73,785.60 × 43,660.80
  4. Step 4: Simplify right side
    49,233.60x = 3,221,538,324.48
  5. Step 5: Solve for x
    x = 3,221,538,324.48/49,233.60
  6. Step 6: Final answer
    x = 65,433.73

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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.