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Finding the Fourth Proportional to 188,818.53, 283,229.61 and 53,882.45

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Solution

The fourth proportional to 188,818.53, 283,229.61 and 53,882.45 is: 80,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,818.53 : 283,229.61 = 53,882.45 : x
  2. Step 2: Convert to fraction form
    188,818.53/283,229.61 = 53,882.45/x
  3. Step 3: Cross multiply
    188,818.53x = 283,229.61 × 53,882.45
  4. Step 4: Simplify right side
    188,818.53x = 15,261,105,299.34
  5. Step 5: Solve for x
    x = 15,261,105,299.34/188,818.53
  6. Step 6: Final answer
    x = 80,824.19

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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.