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Finding the Fourth Proportional to 111,044.87, 166,581.15 and 36,172.59

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Solution

The fourth proportional to 111,044.87, 166,581.15 and 36,172.59 is: 54,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,044.87 : 166,581.15 = 36,172.59 : x
  2. Step 2: Convert to fraction form
    111,044.87/166,581.15 = 36,172.59/x
  3. Step 3: Cross multiply
    111,044.87x = 166,581.15 × 36,172.59
  4. Step 4: Simplify right side
    111,044.87x = 6,025,671,640.68
  5. Step 5: Solve for x
    x = 6,025,671,640.68/111,044.87
  6. Step 6: Final answer
    x = 54,263.39

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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.