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Finding the Fourth Proportional to 111,777.87, 167,631.24 and 36,884.05

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Solution

The fourth proportional to 111,777.87, 167,631.24 and 36,884.05 is: 55,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,777.87 : 167,631.24 = 36,884.05 : x
  2. Step 2: Convert to fraction form
    111,777.87/167,631.24 = 36,884.05/x
  3. Step 3: Cross multiply
    111,777.87x = 167,631.24 × 36,884.05
  4. Step 4: Simplify right side
    111,777.87x = 6,182,919,037.72
  5. Step 5: Solve for x
    x = 6,182,919,037.72/111,777.87
  6. Step 6: Final answer
    x = 55,314.34

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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.