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Finding the Fourth Proportional to 144,474.75, 199,375.16 and 94,173.75

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Solution

The fourth proportional to 144,474.75, 199,375.16 and 94,173.75 is: 129,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,474.75 : 199,375.16 = 94,173.75 : x
  2. Step 2: Convert to fraction form
    144,474.75/199,375.16 = 94,173.75/x
  3. Step 3: Cross multiply
    144,474.75x = 199,375.16 × 94,173.75
  4. Step 4: Simplify right side
    144,474.75x = 18,775,906,003.18
  5. Step 5: Solve for x
    x = 18,775,906,003.18/144,474.75
  6. Step 6: Final answer
    x = 129,959.78

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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.