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Finding the Fourth Proportional to 188,001.66, 281,936.79 and 75,652.73

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Solution

The fourth proportional to 188,001.66, 281,936.79 and 75,652.73 is: 113,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,001.66 : 281,936.79 = 75,652.73 : x
  2. Step 2: Convert to fraction form
    188,001.66/281,936.79 = 75,652.73/x
  3. Step 3: Cross multiply
    188,001.66x = 281,936.79 × 75,652.73
  4. Step 4: Simplify right side
    188,001.66x = 21,329,286,441.25
  5. Step 5: Solve for x
    x = 21,329,286,441.25/188,001.66
  6. Step 6: Final answer
    x = 113,452.65

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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.