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Finding the Fourth Proportional to 111,099.80, 166,676.10 and 36,220.44

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Solution

The fourth proportional to 111,099.80, 166,676.10 and 36,220.44 is: 54,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,099.80 : 166,676.10 = 36,220.44 : x
  2. Step 2: Convert to fraction form
    111,099.80/166,676.10 = 36,220.44/x
  3. Step 3: Cross multiply
    111,099.80x = 166,676.10 × 36,220.44
  4. Step 4: Simplify right side
    111,099.80x = 6,037,081,679.48
  5. Step 5: Solve for x
    x = 6,037,081,679.48/111,099.80
  6. Step 6: Final answer
    x = 54,339.27

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1.5x scale

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.