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Finding the Fourth Proportional to 224,289.92, 336,377.52 and 66,481.40

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Solution

The fourth proportional to 224,289.92, 336,377.52 and 66,481.40 is: 99,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,289.92 : 336,377.52 = 66,481.40 : x
  2. Step 2: Convert to fraction form
    224,289.92/336,377.52 = 66,481.40/x
  3. Step 3: Cross multiply
    224,289.92x = 336,377.52 × 66,481.40
  4. Step 4: Simplify right side
    224,289.92x = 22,362,848,458.13
  5. Step 5: Solve for x
    x = 22,362,848,458.13/224,289.92
  6. Step 6: Final answer
    x = 99,705.10

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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.