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Finding the Fourth Proportional to 117,194.72, 175,861.20 and 43,374.56

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Solution

The fourth proportional to 117,194.72, 175,861.20 and 43,374.56 is: 65,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,194.72 : 175,861.20 = 43,374.56 : x
  2. Step 2: Convert to fraction form
    117,194.72/175,861.20 = 43,374.56/x
  3. Step 3: Cross multiply
    117,194.72x = 175,861.20 × 43,374.56
  4. Step 4: Simplify right side
    117,194.72x = 7,627,902,171.07
  5. Step 5: Solve for x
    x = 7,627,902,171.07/117,194.72
  6. Step 6: Final answer
    x = 65,087.42

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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.