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Finding the Fourth Proportional to 168,634.44, 252,961.56 and 63,454.32

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Solution

The fourth proportional to 168,634.44, 252,961.56 and 63,454.32 is: 95,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,634.44 : 252,961.56 = 63,454.32 : x
  2. Step 2: Convert to fraction form
    168,634.44/252,961.56 = 63,454.32/x
  3. Step 3: Cross multiply
    168,634.44x = 252,961.56 × 63,454.32
  4. Step 4: Simplify right side
    168,634.44x = 16,051,503,775.94
  5. Step 5: Solve for x
    x = 16,051,503,775.94/168,634.44
  6. Step 6: Final answer
    x = 95,185.21

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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.