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Finding the Fourth Proportional to 226,940.70, 340,411.05 and 167,891.70

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Solution

The fourth proportional to 226,940.70, 340,411.05 and 167,891.70 is: 251,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,940.70 : 340,411.05 = 167,891.70 : x
  2. Step 2: Convert to fraction form
    226,940.70/340,411.05 = 167,891.70/x
  3. Step 3: Cross multiply
    226,940.70x = 340,411.05 × 167,891.70
  4. Step 4: Simplify right side
    226,940.70x = 57,152,189,883.29
  5. Step 5: Solve for x
    x = 57,152,189,883.29/226,940.70
  6. Step 6: Final answer
    x = 251,837.55

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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.