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Finding the Fourth Proportional to 111,660.86, 167,455.30 and 36,763.17

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Solution

The fourth proportional to 111,660.86, 167,455.30 and 36,763.17 is: 55,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,660.86 : 167,455.30 = 36,763.17 : x
  2. Step 2: Convert to fraction form
    111,660.86/167,455.30 = 36,763.17/x
  3. Step 3: Cross multiply
    111,660.86x = 167,455.30 × 36,763.17
  4. Step 4: Simplify right side
    111,660.86x = 6,156,188,423.27
  5. Step 5: Solve for x
    x = 6,156,188,423.27/111,660.86
  6. Step 6: Final answer
    x = 55,132.91

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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.