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Finding the Fourth Proportional to 229,906.26, 344,410.98 and 129,763.53

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Solution

The fourth proportional to 229,906.26, 344,410.98 and 129,763.53 is: 194,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,906.26 : 344,410.98 = 129,763.53 : x
  2. Step 2: Convert to fraction form
    229,906.26/344,410.98 = 129,763.53/x
  3. Step 3: Cross multiply
    229,906.26x = 344,410.98 × 129,763.53
  4. Step 4: Simplify right side
    229,906.26x = 44,691,984,535.56
  5. Step 5: Solve for x
    x = 44,691,984,535.56/229,906.26
  6. Step 6: Final answer
    x = 194,392.20

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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.