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Finding the Fourth Proportional to 171,940.84, 237,278.49 and 96,489.34

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Solution

The fourth proportional to 171,940.84, 237,278.49 and 96,489.34 is: 133,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,940.84 : 237,278.49 = 96,489.34 : x
  2. Step 2: Convert to fraction form
    171,940.84/237,278.49 = 96,489.34/x
  3. Step 3: Cross multiply
    171,940.84x = 237,278.49 × 96,489.34
  4. Step 4: Simplify right side
    171,940.84x = 22,894,844,896.30
  5. Step 5: Solve for x
    x = 22,894,844,896.30/171,940.84
  6. Step 6: Final answer
    x = 133,155.36

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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.