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Finding the Fourth Proportional to 111,933.80, 167,900.70 and 33,047.90

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Solution

The fourth proportional to 111,933.80, 167,900.70 and 33,047.90 is: 49,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,933.80 : 167,900.70 = 33,047.90 : x
  2. Step 2: Convert to fraction form
    111,933.80/167,900.70 = 33,047.90/x
  3. Step 3: Cross multiply
    111,933.80x = 167,900.70 × 33,047.90
  4. Step 4: Simplify right side
    111,933.80x = 5,548,765,543.53
  5. Step 5: Solve for x
    x = 5,548,765,543.53/111,933.80
  6. Step 6: Final answer
    x = 49,571.85

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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.