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Finding the Fourth Proportional to 225,192.60, 337,789.11 and 92,072.86

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Solution

The fourth proportional to 225,192.60, 337,789.11 and 92,072.86 is: 138,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,192.60 : 337,789.11 = 92,072.86 : x
  2. Step 2: Convert to fraction form
    225,192.60/337,789.11 = 92,072.86/x
  3. Step 3: Cross multiply
    225,192.60x = 337,789.11 × 92,072.86
  4. Step 4: Simplify right side
    225,192.60x = 31,101,208,935.36
  5. Step 5: Solve for x
    x = 31,101,208,935.36/225,192.60
  6. Step 6: Final answer
    x = 138,109.37

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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.