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Finding the Fourth Proportional to 273,956.67, 410,975.82 and 84,401.18

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Solution

The fourth proportional to 273,956.67, 410,975.82 and 84,401.18 is: 126,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,956.67 : 410,975.82 = 84,401.18 : x
  2. Step 2: Convert to fraction form
    273,956.67/410,975.82 = 84,401.18/x
  3. Step 3: Cross multiply
    273,956.67x = 410,975.82 × 84,401.18
  4. Step 4: Simplify right side
    273,956.67x = 34,686,842,104.59
  5. Step 5: Solve for x
    x = 34,686,842,104.59/273,956.67
  6. Step 6: Final answer
    x = 126,614.34

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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.