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Finding the Fourth Proportional to 276,321.15, 414,481.73 and 98,817.39

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Solution

The fourth proportional to 276,321.15, 414,481.73 and 98,817.39 is: 148,226.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,321.15 : 414,481.73 = 98,817.39 : x
  2. Step 2: Convert to fraction form
    276,321.15/414,481.73 = 98,817.39/x
  3. Step 3: Cross multiply
    276,321.15x = 414,481.73 × 98,817.39
  4. Step 4: Simplify right side
    276,321.15x = 40,958,002,267.20
  5. Step 5: Solve for x
    x = 40,958,002,267.20/276,321.15
  6. Step 6: Final answer
    x = 148,226.09

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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.