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Finding the Fourth Proportional to 275,997.90, 413,996.85 and 98,510.70

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Solution

The fourth proportional to 275,997.90, 413,996.85 and 98,510.70 is: 147,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,997.90 : 413,996.85 = 98,510.70 : x
  2. Step 2: Convert to fraction form
    275,997.90/413,996.85 = 98,510.70/x
  3. Step 3: Cross multiply
    275,997.90x = 413,996.85 × 98,510.70
  4. Step 4: Simplify right side
    275,997.90x = 40,783,119,491.30
  5. Step 5: Solve for x
    x = 40,783,119,491.30/275,997.90
  6. Step 6: Final answer
    x = 147,766.05

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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.