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Finding the Fourth Proportional to 224,456.92, 336,731.46 and 66,671.32

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Solution

The fourth proportional to 224,456.92, 336,731.46 and 66,671.32 is: 100,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,456.92 : 336,731.46 = 66,671.32 : x
  2. Step 2: Convert to fraction form
    224,456.92/336,731.46 = 66,671.32/x
  3. Step 3: Cross multiply
    224,456.92x = 336,731.46 × 66,671.32
  4. Step 4: Simplify right side
    224,456.92x = 22,450,330,923.73
  5. Step 5: Solve for x
    x = 22,450,330,923.73/224,456.92
  6. Step 6: Final answer
    x = 100,020.67

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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.