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Finding the Fourth Proportional to 171,901.78, 237,212.57 and 95,414.86

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Solution

The fourth proportional to 171,901.78, 237,212.57 and 95,414.86 is: 131,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,901.78 : 237,212.57 = 95,414.86 : x
  2. Step 2: Convert to fraction form
    171,901.78/237,212.57 = 95,414.86/x
  3. Step 3: Cross multiply
    171,901.78x = 237,212.57 × 95,414.86
  4. Step 4: Simplify right side
    171,901.78x = 22,633,604,156.79
  5. Step 5: Solve for x
    x = 22,633,604,156.79/171,901.78
  6. Step 6: Final answer
    x = 131,665.91

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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.