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Finding the Fourth Proportional to 226,657.88, 340,060.78 and 108,338.44

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Solution

The fourth proportional to 226,657.88, 340,060.78 and 108,338.44 is: 162,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,657.88 : 340,060.78 = 108,338.44 : x
  2. Step 2: Convert to fraction form
    226,657.88/340,060.78 = 108,338.44/x
  3. Step 3: Cross multiply
    226,657.88x = 340,060.78 × 108,338.44
  4. Step 4: Simplify right side
    226,657.88x = 36,841,654,410.38
  5. Step 5: Solve for x
    x = 36,841,654,410.38/226,657.88
  6. Step 6: Final answer
    x = 162,543.01

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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.