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Finding the Fourth Proportional to 203,882.69, 281,350.33 and 113,244.47

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Solution

The fourth proportional to 203,882.69, 281,350.33 and 113,244.47 is: 156,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,882.69 : 281,350.33 = 113,244.47 : x
  2. Step 2: Convert to fraction form
    203,882.69/281,350.33 = 113,244.47/x
  3. Step 3: Cross multiply
    203,882.69x = 281,350.33 × 113,244.47
  4. Step 4: Simplify right side
    203,882.69x = 31,861,369,045.95
  5. Step 5: Solve for x
    x = 31,861,369,045.95/203,882.69
  6. Step 6: Final answer
    x = 156,273.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.