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Finding the Fourth Proportional to 170,991.88, 235,968.30 and 95,540.44

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Solution

The fourth proportional to 170,991.88, 235,968.30 and 95,540.44 is: 131,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,991.88 : 235,968.30 = 95,540.44 : x
  2. Step 2: Convert to fraction form
    170,991.88/235,968.30 = 95,540.44/x
  3. Step 3: Cross multiply
    170,991.88x = 235,968.30 × 95,540.44
  4. Step 4: Simplify right side
    170,991.88x = 22,544,515,208.05
  5. Step 5: Solve for x
    x = 22,544,515,208.05/170,991.88
  6. Step 6: Final answer
    x = 131,845.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.