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Finding the Fourth Proportional to 171,937.65, 257,906.48 and 132,571.65

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Solution

The fourth proportional to 171,937.65, 257,906.48 and 132,571.65 is: 198,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,937.65 : 257,906.48 = 132,571.65 : x
  2. Step 2: Convert to fraction form
    171,937.65/257,906.48 = 132,571.65/x
  3. Step 3: Cross multiply
    171,937.65x = 257,906.48 × 132,571.65
  4. Step 4: Simplify right side
    171,937.65x = 34,191,086,936.43
  5. Step 5: Solve for x
    x = 34,191,086,936.43/171,937.65
  6. Step 6: Final answer
    x = 198,857.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.