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Finding the Fourth Proportional to 117,224.75, 175,334.76 and 108,715.97

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Solution

The fourth proportional to 117,224.75, 175,334.76 and 108,715.97 is: 162,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224.75 : 175,334.76 = 108,715.97 : x
  2. Step 2: Convert to fraction form
    117,224.75/175,334.76 = 108,715.97/x
  3. Step 3: Cross multiply
    117,224.75x = 175,334.76 × 108,715.97
  4. Step 4: Simplify right side
    117,224.75x = 19,061,687,631.44
  5. Step 5: Solve for x
    x = 19,061,687,631.44/117,224.75
  6. Step 6: Final answer
    x = 162,608.05

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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.