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Finding the Fourth Proportional to 111,093.86, 166,639.98 and 44,533.02

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Solution

The fourth proportional to 111,093.86, 166,639.98 and 44,533.02 is: 66,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,093.86 : 166,639.98 = 44,533.02 : x
  2. Step 2: Convert to fraction form
    111,093.86/166,639.98 = 44,533.02/x
  3. Step 3: Cross multiply
    111,093.86x = 166,639.98 × 44,533.02
  4. Step 4: Simplify right side
    111,093.86x = 7,420,981,562.14
  5. Step 5: Solve for x
    x = 7,420,981,562.14/111,093.86
  6. Step 6: Final answer
    x = 66,799.21

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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.