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Finding the Fourth Proportional to 111,100.08, 166,651.20 and 27,994.08

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Solution

The fourth proportional to 111,100.08, 166,651.20 and 27,994.08 is: 41,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,100.08 : 166,651.20 = 27,994.08 : x
  2. Step 2: Convert to fraction form
    111,100.08/166,651.20 = 27,994.08/x
  3. Step 3: Cross multiply
    111,100.08x = 166,651.20 × 27,994.08
  4. Step 4: Simplify right side
    111,100.08x = 4,665,247,024.90
  5. Step 5: Solve for x
    x = 4,665,247,024.90/111,100.08
  6. Step 6: Final answer
    x = 41,991.39

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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.