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Finding the Fourth Proportional to 111,298.92, 166,945.94 and 27,059.52

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Solution

The fourth proportional to 111,298.92, 166,945.94 and 27,059.52 is: 40,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,298.92 : 166,945.94 = 27,059.52 : x
  2. Step 2: Convert to fraction form
    111,298.92/166,945.94 = 27,059.52/x
  3. Step 3: Cross multiply
    111,298.92x = 166,945.94 × 27,059.52
  4. Step 4: Simplify right side
    111,298.92x = 4,517,476,867.05
  5. Step 5: Solve for x
    x = 4,517,476,867.05/111,298.92
  6. Step 6: Final answer
    x = 40,588.69

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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.