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Finding the Fourth Proportional to 224,517.52, 309,834.60 and 123,915.44

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Solution

The fourth proportional to 224,517.52, 309,834.60 and 123,915.44 is: 171,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,517.52 : 309,834.60 = 123,915.44 : x
  2. Step 2: Convert to fraction form
    224,517.52/309,834.60 = 123,915.44/x
  3. Step 3: Cross multiply
    224,517.52x = 309,834.60 × 123,915.44
  4. Step 4: Simplify right side
    224,517.52x = 38,393,290,786.22
  5. Step 5: Solve for x
    x = 38,393,290,786.22/224,517.52
  6. Step 6: Final answer
    x = 171,003.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.