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Finding the Fourth Proportional to 111,198.72, 166,798.08 and 37,378.56

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Solution

The fourth proportional to 111,198.72, 166,798.08 and 37,378.56 is: 56,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,198.72 : 166,798.08 = 37,378.56 : x
  2. Step 2: Convert to fraction form
    111,198.72/166,798.08 = 37,378.56/x
  3. Step 3: Cross multiply
    111,198.72x = 166,798.08 × 37,378.56
  4. Step 4: Simplify right side
    111,198.72x = 6,234,672,041.16
  5. Step 5: Solve for x
    x = 6,234,672,041.16/111,198.72
  6. Step 6: Final answer
    x = 56,067.84

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1.5x scale

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.