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Finding the Fourth Proportional to 224,446.32, 336,793.41 and 91,420.23

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Solution

The fourth proportional to 224,446.32, 336,793.41 and 91,420.23 is: 137,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,446.32 : 336,793.41 = 91,420.23 : x
  2. Step 2: Convert to fraction form
    224,446.32/336,793.41 = 91,420.23/x
  3. Step 3: Cross multiply
    224,446.32x = 336,793.41 × 91,420.23
  4. Step 4: Simplify right side
    224,446.32x = 30,789,731,004.68
  5. Step 5: Solve for x
    x = 30,789,731,004.68/224,446.32
  6. Step 6: Final answer
    x = 137,180.82

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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.