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Finding the Fourth Proportional to 111,644.62, 167,477.45 and 36,734.20

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Solution

The fourth proportional to 111,644.62, 167,477.45 and 36,734.20 is: 55,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,644.62 : 167,477.45 = 36,734.20 : x
  2. Step 2: Convert to fraction form
    111,644.62/167,477.45 = 36,734.20/x
  3. Step 3: Cross multiply
    111,644.62x = 167,477.45 × 36,734.20
  4. Step 4: Simplify right side
    111,644.62x = 6,152,150,143.79
  5. Step 5: Solve for x
    x = 6,152,150,143.79/111,644.62
  6. Step 6: Final answer
    x = 55,104.76

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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.