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Finding the Fourth Proportional to 111,093.84, 166,640.76 and 27,994.32

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Solution

The fourth proportional to 111,093.84, 166,640.76 and 27,994.32 is: 41,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,093.84 : 166,640.76 = 27,994.32 : x
  2. Step 2: Convert to fraction form
    111,093.84/166,640.76 = 27,994.32/x
  3. Step 3: Cross multiply
    111,093.84x = 166,640.76 × 27,994.32
  4. Step 4: Simplify right side
    111,093.84x = 4,664,994,760.48
  5. Step 5: Solve for x
    x = 4,664,994,760.48/111,093.84
  6. Step 6: Final answer
    x = 41,991.48

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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.