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Finding the Fourth Proportional to 111,765, 167,631.08 and 36,887.58

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Solution

The fourth proportional to 111,765, 167,631.08 and 36,887.58 is: 55,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,765 : 167,631.08 = 36,887.58 : x
  2. Step 2: Convert to fraction form
    111,765/167,631.08 = 36,887.58/x
  3. Step 3: Cross multiply
    111,765x = 167,631.08 × 36,887.58
  4. Step 4: Simplify right side
    111,765x = 6,183,504,873.99
  5. Step 5: Solve for x
    x = 6,183,504,873.99/111,765
  6. Step 6: Final answer
    x = 55,325.95

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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.