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Finding the Fourth Proportional to 273,786.84, 410,713.02 and 105,267.96

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Solution

The fourth proportional to 273,786.84, 410,713.02 and 105,267.96 is: 157,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,786.84 : 410,713.02 = 105,267.96 : x
  2. Step 2: Convert to fraction form
    273,786.84/410,713.02 = 105,267.96/x
  3. Step 3: Cross multiply
    273,786.84x = 410,713.02 × 105,267.96
  4. Step 4: Simplify right side
    273,786.84x = 43,234,921,760.84
  5. Step 5: Solve for x
    x = 43,234,921,760.84/273,786.84
  6. Step 6: Final answer
    x = 157,914.54

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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.