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Finding the Fourth Proportional to 226,221.66, 340,921.35 and 203,760.48

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Solution

The fourth proportional to 226,221.66, 340,921.35 and 203,760.48 is: 307,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,221.66 : 340,921.35 = 203,760.48 : x
  2. Step 2: Convert to fraction form
    226,221.66/340,921.35 = 203,760.48/x
  3. Step 3: Cross multiply
    226,221.66x = 340,921.35 × 203,760.48
  4. Step 4: Simplify right side
    226,221.66x = 69,466,297,918.25
  5. Step 5: Solve for x
    x = 69,466,297,918.25/226,221.66
  6. Step 6: Final answer
    x = 307,071.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.