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Finding the Fourth Proportional to 226,630.98, 339,793.11 and 126,860.04

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Solution

The fourth proportional to 226,630.98, 339,793.11 and 126,860.04 is: 190,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,630.98 : 339,793.11 = 126,860.04 : x
  2. Step 2: Convert to fraction form
    226,630.98/339,793.11 = 126,860.04/x
  3. Step 3: Cross multiply
    226,630.98x = 339,793.11 × 126,860.04
  4. Step 4: Simplify right side
    226,630.98x = 43,106,167,526.32
  5. Step 5: Solve for x
    x = 43,106,167,526.32/226,630.98
  6. Step 6: Final answer
    x = 190,204.21

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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.