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Finding the Fourth Proportional to 224,342.34, 336,440.70 and 74,542.41

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Solution

The fourth proportional to 224,342.34, 336,440.70 and 74,542.41 is: 111,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,342.34 : 336,440.70 = 74,542.41 : x
  2. Step 2: Convert to fraction form
    224,342.34/336,440.70 = 74,542.41/x
  3. Step 3: Cross multiply
    224,342.34x = 336,440.70 × 74,542.41
  4. Step 4: Simplify right side
    224,342.34x = 25,079,100,600.09
  5. Step 5: Solve for x
    x = 25,079,100,600.09/224,342.34
  6. Step 6: Final answer
    x = 111,789.42

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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.