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Finding the Fourth Proportional to 111,222.80, 166,843.44 and 36,341.36

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Solution

The fourth proportional to 111,222.80, 166,843.44 and 36,341.36 is: 54,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,222.80 : 166,843.44 = 36,341.36 : x
  2. Step 2: Convert to fraction form
    111,222.80/166,843.44 = 36,341.36/x
  3. Step 3: Cross multiply
    111,222.80x = 166,843.44 × 36,341.36
  4. Step 4: Simplify right side
    111,222.80x = 6,063,317,516.68
  5. Step 5: Solve for x
    x = 6,063,317,516.68/111,222.80
  6. Step 6: Final answer
    x = 54,515.06

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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.