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Finding the Fourth Proportional to 273,865.10, 410,797.65 and 126,409.10

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Solution

The fourth proportional to 273,865.10, 410,797.65 and 126,409.10 is: 189,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,865.10 : 410,797.65 = 126,409.10 : x
  2. Step 2: Convert to fraction form
    273,865.10/410,797.65 = 126,409.10/x
  3. Step 3: Cross multiply
    273,865.10x = 410,797.65 × 126,409.10
  4. Step 4: Simplify right side
    273,865.10x = 51,928,561,218.62
  5. Step 5: Solve for x
    x = 51,928,561,218.62/273,865.10
  6. Step 6: Final answer
    x = 189,613.65

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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.