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Finding the Fourth Proportional to 274,051.72, 378,252.38 and 166,599

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Solution

The fourth proportional to 274,051.72, 378,252.38 and 166,599 is: 229,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,051.72 : 378,252.38 = 166,599 : x
  2. Step 2: Convert to fraction form
    274,051.72/378,252.38 = 166,599/x
  3. Step 3: Cross multiply
    274,051.72x = 378,252.38 × 166,599
  4. Step 4: Simplify right side
    274,051.72x = 63,016,468,255.62
  5. Step 5: Solve for x
    x = 63,016,468,255.62/274,051.72
  6. Step 6: Final answer
    x = 229,943.71

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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.