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Finding the Fourth Proportional to 171,713.72, 236,965.62 and 95,239.95

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Solution

The fourth proportional to 171,713.72, 236,965.62 and 95,239.95 is: 131,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,713.72 : 236,965.62 = 95,239.95 : x
  2. Step 2: Convert to fraction form
    171,713.72/236,965.62 = 95,239.95/x
  3. Step 3: Cross multiply
    171,713.72x = 236,965.62 × 95,239.95
  4. Step 4: Simplify right side
    171,713.72x = 22,568,593,800.52
  5. Step 5: Solve for x
    x = 22,568,593,800.52/171,713.72
  6. Step 6: Final answer
    x = 131,431.52

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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.