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Finding the Fourth Proportional to 167,250.72, 230,914.08 and 103,656

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Solution

The fourth proportional to 167,250.72, 230,914.08 and 103,656 is: 143,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,250.72 : 230,914.08 = 103,656 : x
  2. Step 2: Convert to fraction form
    167,250.72/230,914.08 = 103,656/x
  3. Step 3: Cross multiply
    167,250.72x = 230,914.08 × 103,656
  4. Step 4: Simplify right side
    167,250.72x = 23,935,629,876.48
  5. Step 5: Solve for x
    x = 23,935,629,876.48/167,250.72
  6. Step 6: Final answer
    x = 143,112.27

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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.