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Finding the Fourth Proportional to 171,685.11, 236,928.32 and 95,207.42

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Solution

The fourth proportional to 171,685.11, 236,928.32 and 95,207.42 is: 131,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,685.11 : 236,928.32 = 95,207.42 : x
  2. Step 2: Convert to fraction form
    171,685.11/236,928.32 = 95,207.42/x
  3. Step 3: Cross multiply
    171,685.11x = 236,928.32 × 95,207.42
  4. Step 4: Simplify right side
    171,685.11x = 22,557,334,072.13
  5. Step 5: Solve for x
    x = 22,557,334,072.13/171,685.11
  6. Step 6: Final answer
    x = 131,387.83

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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.