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Finding the Fourth Proportional to 111,325.35, 166,983.90 and 48,161.37

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Solution

The fourth proportional to 111,325.35, 166,983.90 and 48,161.37 is: 72,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325.35 : 166,983.90 = 48,161.37 : x
  2. Step 2: Convert to fraction form
    111,325.35/166,983.90 = 48,161.37/x
  3. Step 3: Cross multiply
    111,325.35x = 166,983.90 × 48,161.37
  4. Step 4: Simplify right side
    111,325.35x = 8,042,173,391.94
  5. Step 5: Solve for x
    x = 8,042,173,391.94/111,325.35
  6. Step 6: Final answer
    x = 72,240.27

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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.