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Finding the Fourth Proportional to 111,600.63, 167,401.85 and 36,725.85

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Solution

The fourth proportional to 111,600.63, 167,401.85 and 36,725.85 is: 55,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,600.63 : 167,401.85 = 36,725.85 : x
  2. Step 2: Convert to fraction form
    111,600.63/167,401.85 = 36,725.85/x
  3. Step 3: Cross multiply
    111,600.63x = 167,401.85 × 36,725.85
  4. Step 4: Simplify right side
    111,600.63x = 6,147,975,049.19
  5. Step 5: Solve for x
    x = 6,147,975,049.19/111,600.63
  6. Step 6: Final answer
    x = 55,089.07

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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.