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Finding the Fourth Proportional to 247,198.96, 370,833.96 and 76,433.98

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Solution

The fourth proportional to 247,198.96, 370,833.96 and 76,433.98 is: 114,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,198.96 : 370,833.96 = 76,433.98 : x
  2. Step 2: Convert to fraction form
    247,198.96/370,833.96 = 76,433.98/x
  3. Step 3: Cross multiply
    247,198.96x = 370,833.96 × 76,433.98
  4. Step 4: Simplify right side
    247,198.96x = 28,344,315,481.96
  5. Step 5: Solve for x
    x = 28,344,315,481.96/247,198.96
  6. Step 6: Final answer
    x = 114,661.95

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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.