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Finding the Fourth Proportional to 133,728.72, 200,673.27 and 49,474.55

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Solution

The fourth proportional to 133,728.72, 200,673.27 and 49,474.55 is: 74,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,728.72 : 200,673.27 = 49,474.55 : x
  2. Step 2: Convert to fraction form
    133,728.72/200,673.27 = 49,474.55/x
  3. Step 3: Cross multiply
    133,728.72x = 200,673.27 × 49,474.55
  4. Step 4: Simplify right side
    133,728.72x = 9,928,218,726.91
  5. Step 5: Solve for x
    x = 9,928,218,726.91/133,728.72
  6. Step 6: Final answer
    x = 74,241.48

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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.