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Finding the Fourth Proportional to 111,110.33, 166,691.67 and 63,755.81

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Solution

The fourth proportional to 111,110.33, 166,691.67 and 63,755.81 is: 95,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,110.33 : 166,691.67 = 63,755.81 : x
  2. Step 2: Convert to fraction form
    111,110.33/166,691.67 = 63,755.81/x
  3. Step 3: Cross multiply
    111,110.33x = 166,691.67 × 63,755.81
  4. Step 4: Simplify right side
    111,110.33x = 10,627,562,352.28
  5. Step 5: Solve for x
    x = 10,627,562,352.28/111,110.33
  6. Step 6: Final answer
    x = 95,648.73

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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.