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Finding the Fourth Proportional to 111,469.36, 167,209.50 and 44,900.50

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Solution

The fourth proportional to 111,469.36, 167,209.50 and 44,900.50 is: 67,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,469.36 : 167,209.50 = 44,900.50 : x
  2. Step 2: Convert to fraction form
    111,469.36/167,209.50 = 44,900.50/x
  3. Step 3: Cross multiply
    111,469.36x = 167,209.50 × 44,900.50
  4. Step 4: Simplify right side
    111,469.36x = 7,507,790,154.75
  5. Step 5: Solve for x
    x = 7,507,790,154.75/111,469.36
  6. Step 6: Final answer
    x = 67,352.95

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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.