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Finding the Fourth Proportional to 133,843.79, 200,795.39 and 40,342.79

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Solution

The fourth proportional to 133,843.79, 200,795.39 and 40,342.79 is: 60,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,843.79 : 200,795.39 = 40,342.79 : x
  2. Step 2: Convert to fraction form
    133,843.79/200,795.39 = 40,342.79/x
  3. Step 3: Cross multiply
    133,843.79x = 200,795.39 × 40,342.79
  4. Step 4: Simplify right side
    133,843.79x = 8,100,646,251.74
  5. Step 5: Solve for x
    x = 8,100,646,251.74/133,843.79
  6. Step 6: Final answer
    x = 60,523.14

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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.