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Finding the Fourth Proportional to 171,702.89, 236,945.49 and 95,221.83

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Solution

The fourth proportional to 171,702.89, 236,945.49 and 95,221.83 is: 131,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,702.89 : 236,945.49 = 95,221.83 : x
  2. Step 2: Convert to fraction form
    171,702.89/236,945.49 = 95,221.83/x
  3. Step 3: Cross multiply
    171,702.89x = 236,945.49 × 95,221.83
  4. Step 4: Simplify right side
    171,702.89x = 22,562,383,168.05
  5. Step 5: Solve for x
    x = 22,562,383,168.05/171,702.89
  6. Step 6: Final answer
    x = 131,403.63

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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.