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Finding the Fourth Proportional to 203,377.26, 305,046.45 and 124,450.86

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Solution

The fourth proportional to 203,377.26, 305,046.45 and 124,450.86 is: 186,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,377.26 : 305,046.45 = 124,450.86 : x
  2. Step 2: Convert to fraction form
    203,377.26/305,046.45 = 124,450.86/x
  3. Step 3: Cross multiply
    203,377.26x = 305,046.45 × 124,450.86
  4. Step 4: Simplify right side
    203,377.26x = 37,963,293,042.45
  5. Step 5: Solve for x
    x = 37,963,293,042.45/203,377.26
  6. Step 6: Final answer
    x = 186,664.39

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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.