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Finding the Fourth Proportional to 273,856.75, 410,836.97 and 126,112.75

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Solution

The fourth proportional to 273,856.75, 410,836.97 and 126,112.75 is: 189,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,856.75 : 410,836.97 = 126,112.75 : x
  2. Step 2: Convert to fraction form
    273,856.75/410,836.97 = 126,112.75/x
  3. Step 3: Cross multiply
    273,856.75x = 410,836.97 × 126,112.75
  4. Step 4: Simplify right side
    273,856.75x = 51,811,780,088.37
  5. Step 5: Solve for x
    x = 51,811,780,088.37/273,856.75
  6. Step 6: Final answer
    x = 189,193.00

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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.