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Finding the Fourth Proportional to 111,886.51, 167,789.79 and 36,992.83

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Solution

The fourth proportional to 111,886.51, 167,789.79 and 36,992.83 is: 55,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,886.51 : 167,789.79 = 36,992.83 : x
  2. Step 2: Convert to fraction form
    111,886.51/167,789.79 = 36,992.83/x
  3. Step 3: Cross multiply
    111,886.51x = 167,789.79 × 36,992.83
  4. Step 4: Simplify right side
    111,886.51x = 6,207,019,177.21
  5. Step 5: Solve for x
    x = 6,207,019,177.21/111,886.51
  6. Step 6: Final answer
    x = 55,476.03

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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.