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Finding the Fourth Proportional to 168,851.44, 253,183.56 and 69,081.58

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Solution

The fourth proportional to 168,851.44, 253,183.56 and 69,081.58 is: 103,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,851.44 : 253,183.56 = 69,081.58 : x
  2. Step 2: Convert to fraction form
    168,851.44/253,183.56 = 69,081.58/x
  3. Step 3: Cross multiply
    168,851.44x = 253,183.56 × 69,081.58
  4. Step 4: Simplify right side
    168,851.44x = 17,490,320,354.82
  5. Step 5: Solve for x
    x = 17,490,320,354.82/168,851.44
  6. Step 6: Final answer
    x = 103,584.08

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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.