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Finding the Fourth Proportional to 111,663.15, 167,396.23 and 41,493.25

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Solution

The fourth proportional to 111,663.15, 167,396.23 and 41,493.25 is: 62,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,663.15 : 167,396.23 = 41,493.25 : x
  2. Step 2: Convert to fraction form
    111,663.15/167,396.23 = 41,493.25/x
  3. Step 3: Cross multiply
    111,663.15x = 167,396.23 × 41,493.25
  4. Step 4: Simplify right side
    111,663.15x = 6,945,813,620.45
  5. Step 5: Solve for x
    x = 6,945,813,620.45/111,663.15
  6. Step 6: Final answer
    x = 62,203.27

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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.