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Finding the Fourth Proportional to 168,808.80, 253,213.20 and 44,149.80

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Solution

The fourth proportional to 168,808.80, 253,213.20 and 44,149.80 is: 66,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,808.80 : 253,213.20 = 44,149.80 : x
  2. Step 2: Convert to fraction form
    168,808.80/253,213.20 = 44,149.80/x
  3. Step 3: Cross multiply
    168,808.80x = 253,213.20 × 44,149.80
  4. Step 4: Simplify right side
    168,808.80x = 11,179,312,137.36
  5. Step 5: Solve for x
    x = 11,179,312,137.36/168,808.80
  6. Step 6: Final answer
    x = 66,224.70

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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.