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Finding the Fourth Proportional to 171,709.08, 236,958.52 and 95,239.88

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Solution

The fourth proportional to 171,709.08, 236,958.52 and 95,239.88 is: 131,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,709.08 : 236,958.52 = 95,239.88 : x
  2. Step 2: Convert to fraction form
    171,709.08/236,958.52 = 95,239.88/x
  3. Step 3: Cross multiply
    171,709.08x = 236,958.52 × 95,239.88
  4. Step 4: Simplify right side
    171,709.08x = 22,567,901,009.78
  5. Step 5: Solve for x
    x = 22,567,901,009.78/171,709.08
  6. Step 6: Final answer
    x = 131,431.03

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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.