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Finding the Fourth Proportional to 181,109.40, 271,404.90 and 133,351.80

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Solution

The fourth proportional to 181,109.40, 271,404.90 and 133,351.80 is: 199,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,109.40 : 271,404.90 = 133,351.80 : x
  2. Step 2: Convert to fraction form
    181,109.40/271,404.90 = 133,351.80/x
  3. Step 3: Cross multiply
    181,109.40x = 271,404.90 × 133,351.80
  4. Step 4: Simplify right side
    181,109.40x = 36,192,331,943.82
  5. Step 5: Solve for x
    x = 36,192,331,943.82/181,109.40
  6. Step 6: Final answer
    x = 199,836.85

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1.5x scale

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.