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Finding the Fourth Proportional to 443,257.75, 664,886.67 and 110,833.75

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Solution

The fourth proportional to 443,257.75, 664,886.67 and 110,833.75 is: 166,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,257.75 : 664,886.67 = 110,833.75 : x
  2. Step 2: Convert to fraction form
    443,257.75/664,886.67 = 110,833.75/x
  3. Step 3: Cross multiply
    443,257.75x = 664,886.67 × 110,833.75
  4. Step 4: Simplify right side
    443,257.75x = 73,691,882,961.11
  5. Step 5: Solve for x
    x = 73,691,882,961.11/443,257.75
  6. Step 6: Final answer
    x = 166,250.64

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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.