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Finding the Fourth Proportional to 181,182.34, 271,605.84 and 68,828.86

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Solution

The fourth proportional to 181,182.34, 271,605.84 and 68,828.86 is: 103,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,182.34 : 271,605.84 = 68,828.86 : x
  2. Step 2: Convert to fraction form
    181,182.34/271,605.84 = 68,828.86/x
  3. Step 3: Cross multiply
    181,182.34x = 271,605.84 × 68,828.86
  4. Step 4: Simplify right side
    181,182.34x = 18,694,320,336.54
  5. Step 5: Solve for x
    x = 18,694,320,336.54/181,182.34
  6. Step 6: Final answer
    x = 103,179.59

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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.