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Finding the Fourth Proportional to 133,445.52, 200,190.15 and 63,286.56

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Solution

The fourth proportional to 133,445.52, 200,190.15 and 63,286.56 is: 94,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,445.52 : 200,190.15 = 63,286.56 : x
  2. Step 2: Convert to fraction form
    133,445.52/200,190.15 = 63,286.56/x
  3. Step 3: Cross multiply
    133,445.52x = 200,190.15 × 63,286.56
  4. Step 4: Simplify right side
    133,445.52x = 12,669,345,939.38
  5. Step 5: Solve for x
    x = 12,669,345,939.38/133,445.52
  6. Step 6: Final answer
    x = 94,940.21

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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.