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Finding the Fourth Proportional to 181,310.40, 271,706.40 and 133,552.80

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Solution

The fourth proportional to 181,310.40, 271,706.40 and 133,552.80 is: 200,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,310.40 : 271,706.40 = 133,552.80 : x
  2. Step 2: Convert to fraction form
    181,310.40/271,706.40 = 133,552.80/x
  3. Step 3: Cross multiply
    181,310.40x = 271,706.40 × 133,552.80
  4. Step 4: Simplify right side
    181,310.40x = 36,287,150,497.92
  5. Step 5: Solve for x
    x = 36,287,150,497.92/181,310.40
  6. Step 6: Final answer
    x = 200,138.27

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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.