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Finding the Fourth Proportional to 111,265.63, 166,919.36 and 44,711.03

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Solution

The fourth proportional to 111,265.63, 166,919.36 and 44,711.03 is: 67,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,265.63 : 166,919.36 = 44,711.03 : x
  2. Step 2: Convert to fraction form
    111,265.63/166,919.36 = 44,711.03/x
  3. Step 3: Cross multiply
    111,265.63x = 166,919.36 × 44,711.03
  4. Step 4: Simplify right side
    111,265.63x = 7,463,136,512.54
  5. Step 5: Solve for x
    x = 7,463,136,512.54/111,265.63
  6. Step 6: Final answer
    x = 67,074.95

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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.