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Finding the Fourth Proportional to 110,861.63, 166,249.31 and 35,963.67

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Solution

The fourth proportional to 110,861.63, 166,249.31 and 35,963.67 is: 53,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,861.63 : 166,249.31 = 35,963.67 : x
  2. Step 2: Convert to fraction form
    110,861.63/166,249.31 = 35,963.67/x
  3. Step 3: Cross multiply
    110,861.63x = 166,249.31 × 35,963.67
  4. Step 4: Simplify right side
    110,861.63x = 5,978,935,142.75
  5. Step 5: Solve for x
    x = 5,978,935,142.75/110,861.63
  6. Step 6: Final answer
    x = 53,931.51

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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.