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Finding the Fourth Proportional to 247,496.96, 371,251.85 and 79,017.14

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Solution

The fourth proportional to 247,496.96, 371,251.85 and 79,017.14 is: 118,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,496.96 : 371,251.85 = 79,017.14 : x
  2. Step 2: Convert to fraction form
    247,496.96/371,251.85 = 79,017.14/x
  3. Step 3: Cross multiply
    247,496.96x = 371,251.85 × 79,017.14
  4. Step 4: Simplify right side
    247,496.96x = 29,335,259,939.75
  5. Step 5: Solve for x
    x = 29,335,259,939.75/247,496.96
  6. Step 6: Final answer
    x = 118,527.76

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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.