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Finding the Fourth Proportional to 275,093.94, 379,697.17 and 167,723.18

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Solution

The fourth proportional to 275,093.94, 379,697.17 and 167,723.18 is: 231,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,093.94 : 379,697.17 = 167,723.18 : x
  2. Step 2: Convert to fraction form
    275,093.94/379,697.17 = 167,723.18/x
  3. Step 3: Cross multiply
    275,093.94x = 379,697.17 × 167,723.18
  4. Step 4: Simplify right side
    275,093.94x = 63,684,016,789.40
  5. Step 5: Solve for x
    x = 63,684,016,789.40/275,093.94
  6. Step 6: Final answer
    x = 231,499.16

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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.