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Finding the Fourth Proportional to 273,468.99, 410,203.50 and 73,789.38

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Solution

The fourth proportional to 273,468.99, 410,203.50 and 73,789.38 is: 110,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,468.99 : 410,203.50 = 73,789.38 : x
  2. Step 2: Convert to fraction form
    273,468.99/410,203.50 = 73,789.38/x
  3. Step 3: Cross multiply
    273,468.99x = 410,203.50 × 73,789.38
  4. Step 4: Simplify right side
    273,468.99x = 30,268,661,938.83
  5. Step 5: Solve for x
    x = 30,268,661,938.83/273,468.99
  6. Step 6: Final answer
    x = 110,684.07

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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.