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Finding the Fourth Proportional to 226,383.26, 339,642.72 and 91,377.82

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Solution

The fourth proportional to 226,383.26, 339,642.72 and 91,377.82 is: 137,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,383.26 : 339,642.72 = 91,377.82 : x
  2. Step 2: Convert to fraction form
    226,383.26/339,642.72 = 91,377.82/x
  3. Step 3: Cross multiply
    226,383.26x = 339,642.72 × 91,377.82
  4. Step 4: Simplify right side
    226,383.26x = 31,035,811,757.02
  5. Step 5: Solve for x
    x = 31,035,811,757.02/226,383.26
  6. Step 6: Final answer
    x = 137,094.11

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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.