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Finding the Fourth Proportional to 171,687.66, 236,928.12 and 96,236.16

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Solution

The fourth proportional to 171,687.66, 236,928.12 and 96,236.16 is: 132,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,687.66 : 236,928.12 = 96,236.16 : x
  2. Step 2: Convert to fraction form
    171,687.66/236,928.12 = 96,236.16/x
  3. Step 3: Cross multiply
    171,687.66x = 236,928.12 × 96,236.16
  4. Step 4: Simplify right side
    171,687.66x = 22,801,052,464.82
  5. Step 5: Solve for x
    x = 22,801,052,464.82/171,687.66
  6. Step 6: Final answer
    x = 132,805.42

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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.