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Finding the Fourth Proportional to 167,886.68, 251,917.51 and 74,370.56

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Solution

The fourth proportional to 167,886.68, 251,917.51 and 74,370.56 is: 111,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,886.68 : 251,917.51 = 74,370.56 : x
  2. Step 2: Convert to fraction form
    167,886.68/251,917.51 = 74,370.56/x
  3. Step 3: Cross multiply
    167,886.68x = 251,917.51 × 74,370.56
  4. Step 4: Simplify right side
    167,886.68x = 18,735,246,736.37
  5. Step 5: Solve for x
    x = 18,735,246,736.37/167,886.68
  6. Step 6: Final answer
    x = 111,594.60

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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.