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Finding the Fourth Proportional to 171,732.87, 236,979.47 and 95,244.72

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Solution

The fourth proportional to 171,732.87, 236,979.47 and 95,244.72 is: 131,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,732.87 : 236,979.47 = 95,244.72 : x
  2. Step 2: Convert to fraction form
    171,732.87/236,979.47 = 95,244.72/x
  3. Step 3: Cross multiply
    171,732.87x = 236,979.47 × 95,244.72
  4. Step 4: Simplify right side
    171,732.87x = 22,571,042,789.67
  5. Step 5: Solve for x
    x = 22,571,042,789.67/171,732.87
  6. Step 6: Final answer
    x = 131,431.12

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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.