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Finding the Fourth Proportional to 111,113.67, 166,610.79 and 35,198.28

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Solution

The fourth proportional to 111,113.67, 166,610.79 and 35,198.28 is: 52,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,113.67 : 166,610.79 = 35,198.28 : x
  2. Step 2: Convert to fraction form
    111,113.67/166,610.79 = 35,198.28/x
  3. Step 3: Cross multiply
    111,113.67x = 166,610.79 × 35,198.28
  4. Step 4: Simplify right side
    111,113.67x = 5,864,413,791.84
  5. Step 5: Solve for x
    x = 5,864,413,791.84/111,113.67
  6. Step 6: Final answer
    x = 52,778.51

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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.