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Finding the Fourth Proportional to 171,660.62, 236,916.17 and 95,196.72

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Solution

The fourth proportional to 171,660.62, 236,916.17 and 95,196.72 is: 131,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,660.62 : 236,916.17 = 95,196.72 : x
  2. Step 2: Convert to fraction form
    171,660.62/236,916.17 = 95,196.72/x
  3. Step 3: Cross multiply
    171,660.62x = 236,916.17 × 95,196.72
  4. Step 4: Simplify right side
    171,660.62x = 22,553,642,060.97
  5. Step 5: Solve for x
    x = 22,553,642,060.97/171,660.62
  6. Step 6: Final answer
    x = 131,385.07

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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.