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Finding the Fourth Proportional to 111,906.56, 167,777.64 and 52,708.88

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Solution

The fourth proportional to 111,906.56, 167,777.64 and 52,708.88 is: 79,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,906.56 : 167,777.64 = 52,708.88 : x
  2. Step 2: Convert to fraction form
    111,906.56/167,777.64 = 52,708.88/x
  3. Step 3: Cross multiply
    111,906.56x = 167,777.64 × 52,708.88
  4. Step 4: Simplify right side
    111,906.56x = 8,843,371,493.44
  5. Step 5: Solve for x
    x = 8,843,371,493.44/111,906.56
  6. Step 6: Final answer
    x = 79,024.60

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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.