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Finding the Fourth Proportional to 110,993.92, 166,325.92 and 66,568.64

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Solution

The fourth proportional to 110,993.92, 166,325.92 and 66,568.64 is: 99,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,993.92 : 166,325.92 = 66,568.64 : x
  2. Step 2: Convert to fraction form
    110,993.92/166,325.92 = 66,568.64/x
  3. Step 3: Cross multiply
    110,993.92x = 166,325.92 × 66,568.64
  4. Step 4: Simplify right side
    110,993.92x = 11,072,090,291.15
  5. Step 5: Solve for x
    x = 11,072,090,291.15/110,993.92
  6. Step 6: Final answer
    x = 99,754.03

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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.