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Finding the Fourth Proportional to 111,899.54, 167,874.60 and 37,019.51

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Solution

The fourth proportional to 111,899.54, 167,874.60 and 37,019.51 is: 55,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,899.54 : 167,874.60 = 37,019.51 : x
  2. Step 2: Convert to fraction form
    111,899.54/167,874.60 = 37,019.51/x
  3. Step 3: Cross multiply
    111,899.54x = 167,874.60 × 37,019.51
  4. Step 4: Simplify right side
    111,899.54x = 6,214,635,433.45
  5. Step 5: Solve for x
    x = 6,214,635,433.45/111,899.54
  6. Step 6: Final answer
    x = 55,537.63

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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.