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Finding the Fourth Proportional to 111,243.58, 166,865.26 and 44,683.72

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Solution

The fourth proportional to 111,243.58, 166,865.26 and 44,683.72 is: 67,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,243.58 : 166,865.26 = 44,683.72 : x
  2. Step 2: Convert to fraction form
    111,243.58/166,865.26 = 44,683.72/x
  3. Step 3: Cross multiply
    111,243.58x = 166,865.26 × 44,683.72
  4. Step 4: Simplify right side
    111,243.58x = 7,456,160,555.57
  5. Step 5: Solve for x
    x = 7,456,160,555.57/111,243.58
  6. Step 6: Final answer
    x = 67,025.54

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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.