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Finding the Fourth Proportional to 111,405.87, 167,114.28 and 36,495.66

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Solution

The fourth proportional to 111,405.87, 167,114.28 and 36,495.66 is: 54,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,405.87 : 167,114.28 = 36,495.66 : x
  2. Step 2: Convert to fraction form
    111,405.87/167,114.28 = 36,495.66/x
  3. Step 3: Cross multiply
    111,405.87x = 167,114.28 × 36,495.66
  4. Step 4: Simplify right side
    111,405.87x = 6,098,945,944.02
  5. Step 5: Solve for x
    x = 6,098,945,944.02/111,405.87
  6. Step 6: Final answer
    x = 54,745.28

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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.