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Finding the Fourth Proportional to 111,903.60, 167,855.40 and 110,737.20

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Solution

The fourth proportional to 111,903.60, 167,855.40 and 110,737.20 is: 166,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,903.60 : 167,855.40 = 110,737.20 : x
  2. Step 2: Convert to fraction form
    111,903.60/167,855.40 = 110,737.20/x
  3. Step 3: Cross multiply
    111,903.60x = 167,855.40 × 110,737.20
  4. Step 4: Simplify right side
    111,903.60x = 18,587,837,000.88
  5. Step 5: Solve for x
    x = 18,587,837,000.88/111,903.60
  6. Step 6: Final answer
    x = 166,105.80

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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.