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Finding the Fourth Proportional to 111,325.85, 166,984.65 and 48,161.87

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Solution

The fourth proportional to 111,325.85, 166,984.65 and 48,161.87 is: 72,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325.85 : 166,984.65 = 48,161.87 : x
  2. Step 2: Convert to fraction form
    111,325.85/166,984.65 = 48,161.87/x
  3. Step 3: Cross multiply
    111,325.85x = 166,984.65 × 48,161.87
  4. Step 4: Simplify right side
    111,325.85x = 8,042,292,170.37
  5. Step 5: Solve for x
    x = 8,042,292,170.37/111,325.85
  6. Step 6: Final answer
    x = 72,241.02

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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.