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Finding the Fourth Proportional to 167,886.93, 251,917.88 and 74,370.81

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Solution

The fourth proportional to 167,886.93, 251,917.88 and 74,370.81 is: 111,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,886.93 : 251,917.88 = 74,370.81 : x
  2. Step 2: Convert to fraction form
    167,886.93/251,917.88 = 74,370.81/x
  3. Step 3: Cross multiply
    167,886.93x = 251,917.88 × 74,370.81
  4. Step 4: Simplify right side
    167,886.93x = 18,735,336,789.08
  5. Step 5: Solve for x
    x = 18,735,336,789.08/167,886.93
  6. Step 6: Final answer
    x = 111,594.97

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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.