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Finding the Fourth Proportional to 168,053.80, 252,007.80 and 68,180.80

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Solution

The fourth proportional to 168,053.80, 252,007.80 and 68,180.80 is: 102,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,053.80 : 252,007.80 = 68,180.80 : x
  2. Step 2: Convert to fraction form
    168,053.80/252,007.80 = 68,180.80/x
  3. Step 3: Cross multiply
    168,053.80x = 252,007.80 × 68,180.80
  4. Step 4: Simplify right side
    168,053.80x = 17,182,093,410.24
  5. Step 5: Solve for x
    x = 17,182,093,410.24/168,053.80
  6. Step 6: Final answer
    x = 102,241.62

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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.