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Finding the Fourth Proportional to 111,604.40, 167,536.20 and 110,826.80

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Solution

The fourth proportional to 111,604.40, 167,536.20 and 110,826.80 is: 166,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,604.40 : 167,536.20 = 110,826.80 : x
  2. Step 2: Convert to fraction form
    111,604.40/167,536.20 = 110,826.80/x
  3. Step 3: Cross multiply
    111,604.40x = 167,536.20 × 110,826.80
  4. Step 4: Simplify right side
    111,604.40x = 18,567,500,930.16
  5. Step 5: Solve for x
    x = 18,567,500,930.16/111,604.40
  6. Step 6: Final answer
    x = 166,368.90

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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.