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Finding the Fourth Proportional to 133,841.79, 200,792.39 and 40,340.79

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Solution

The fourth proportional to 133,841.79, 200,792.39 and 40,340.79 is: 60,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,841.79 : 200,792.39 = 40,340.79 : x
  2. Step 2: Convert to fraction form
    133,841.79/200,792.39 = 40,340.79/x
  3. Step 3: Cross multiply
    133,841.79x = 200,792.39 × 40,340.79
  4. Step 4: Simplify right side
    133,841.79x = 8,100,123,436.88
  5. Step 5: Solve for x
    x = 8,100,123,436.88/133,841.79
  6. Step 6: Final answer
    x = 60,520.14

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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.