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Finding the Fourth Proportional to 168,679.80, 253,048.05 and 50,363.10

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Solution

The fourth proportional to 168,679.80, 253,048.05 and 50,363.10 is: 75,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,679.80 : 253,048.05 = 50,363.10 : x
  2. Step 2: Convert to fraction form
    168,679.80/253,048.05 = 50,363.10/x
  3. Step 3: Cross multiply
    168,679.80x = 253,048.05 × 50,363.10
  4. Step 4: Simplify right side
    168,679.80x = 12,744,284,246.96
  5. Step 5: Solve for x
    x = 12,744,284,246.96/168,679.80
  6. Step 6: Final answer
    x = 75,553.11

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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.