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Finding the Fourth Proportional to 111,553.34, 167,396.49 and 40,481.52

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Solution

The fourth proportional to 111,553.34, 167,396.49 and 40,481.52 is: 60,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,553.34 : 167,396.49 = 40,481.52 : x
  2. Step 2: Convert to fraction form
    111,553.34/167,396.49 = 40,481.52/x
  3. Step 3: Cross multiply
    111,553.34x = 167,396.49 × 40,481.52
  4. Step 4: Simplify right side
    111,553.34x = 6,776,464,671.73
  5. Step 5: Solve for x
    x = 6,776,464,671.73/111,553.34
  6. Step 6: Final answer
    x = 60,746.41

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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.