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Finding the Fourth Proportional to 111,893.19, 167,815.44 and 36,995.64

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Solution

The fourth proportional to 111,893.19, 167,815.44 and 36,995.64 is: 55,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,893.19 : 167,815.44 = 36,995.64 : x
  2. Step 2: Convert to fraction form
    111,893.19/167,815.44 = 36,995.64/x
  3. Step 3: Cross multiply
    111,893.19x = 167,815.44 × 36,995.64
  4. Step 4: Simplify right side
    111,893.19x = 6,208,439,604.68
  5. Step 5: Solve for x
    x = 6,208,439,604.68/111,893.19
  6. Step 6: Final answer
    x = 55,485.41

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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.