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Finding the Fourth Proportional to 111,464.40, 167,196.60 and 73,410.60

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Solution

The fourth proportional to 111,464.40, 167,196.60 and 73,410.60 is: 110,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,464.40 : 167,196.60 = 73,410.60 : x
  2. Step 2: Convert to fraction form
    111,464.40/167,196.60 = 73,410.60/x
  3. Step 3: Cross multiply
    111,464.40x = 167,196.60 × 73,410.60
  4. Step 4: Simplify right side
    111,464.40x = 12,274,002,723.96
  5. Step 5: Solve for x
    x = 12,274,002,723.96/111,464.40
  6. Step 6: Final answer
    x = 110,115.90

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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.