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Finding the Fourth Proportional to 111,553.52, 167,396.77 and 40,481.71

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Solution

The fourth proportional to 111,553.52, 167,396.77 and 40,481.71 is: 60,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,553.52 : 167,396.77 = 40,481.71 : x
  2. Step 2: Convert to fraction form
    111,553.52/167,396.77 = 40,481.71/x
  3. Step 3: Cross multiply
    111,553.52x = 167,396.77 × 40,481.71
  4. Step 4: Simplify right side
    111,553.52x = 6,776,507,444.06
  5. Step 5: Solve for x
    x = 6,776,507,444.06/111,553.52
  6. Step 6: Final answer
    x = 60,746.69

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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.