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Finding the Fourth Proportional to 226,592.29, 339,655.15 and 121,383.01

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Solution

The fourth proportional to 226,592.29, 339,655.15 and 121,383.01 is: 181,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,592.29 : 339,655.15 = 121,383.01 : x
  2. Step 2: Convert to fraction form
    226,592.29/339,655.15 = 121,383.01/x
  3. Step 3: Cross multiply
    226,592.29x = 339,655.15 × 121,383.01
  4. Step 4: Simplify right side
    226,592.29x = 41,228,364,469.00
  5. Step 5: Solve for x
    x = 41,228,364,469.00/226,592.29
  6. Step 6: Final answer
    x = 181,949.55

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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.