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Finding the Fourth Proportional to 167,673.62, 231,272.43 and 113,865.22

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Solution

The fourth proportional to 167,673.62, 231,272.43 and 113,865.22 is: 157,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,673.62 : 231,272.43 = 113,865.22 : x
  2. Step 2: Convert to fraction form
    167,673.62/231,272.43 = 113,865.22/x
  3. Step 3: Cross multiply
    167,673.62x = 231,272.43 × 113,865.22
  4. Step 4: Simplify right side
    167,673.62x = 26,333,886,121.88
  5. Step 5: Solve for x
    x = 26,333,886,121.88/167,673.62
  6. Step 6: Final answer
    x = 157,054.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.