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Finding the Fourth Proportional to 226,134.99, 339,229.22 and 99,721.53

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Solution

The fourth proportional to 226,134.99, 339,229.22 and 99,721.53 is: 149,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,134.99 : 339,229.22 = 99,721.53 : x
  2. Step 2: Convert to fraction form
    226,134.99/339,229.22 = 99,721.53/x
  3. Step 3: Cross multiply
    226,134.99x = 339,229.22 × 99,721.53
  4. Step 4: Simplify right side
    226,134.99x = 33,828,456,340.50
  5. Step 5: Solve for x
    x = 33,828,456,340.50/226,134.99
  6. Step 6: Final answer
    x = 149,594.08

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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.