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Finding the Fourth Proportional to 273,469.21, 410,203.82 and 73,789.60

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Solution

The fourth proportional to 273,469.21, 410,203.82 and 73,789.60 is: 110,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,469.21 : 410,203.82 = 73,789.60 : x
  2. Step 2: Convert to fraction form
    273,469.21/410,203.82 = 73,789.60/x
  3. Step 3: Cross multiply
    273,469.21x = 410,203.82 × 73,789.60
  4. Step 4: Simplify right side
    273,469.21x = 30,268,775,796.27
  5. Step 5: Solve for x
    x = 30,268,775,796.27/273,469.21
  6. Step 6: Final answer
    x = 110,684.40

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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.