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Finding the Fourth Proportional to 54,096.63, 81,144.95 and 17,157.75

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Solution

The fourth proportional to 54,096.63, 81,144.95 and 17,157.75 is: 25,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,096.63 : 81,144.95 = 17,157.75 : x
  2. Step 2: Convert to fraction form
    54,096.63/81,144.95 = 17,157.75/x
  3. Step 3: Cross multiply
    54,096.63x = 81,144.95 × 17,157.75
  4. Step 4: Simplify right side
    54,096.63x = 1,392,264,680.07
  5. Step 5: Solve for x
    x = 1,392,264,680.07/54,096.63
  6. Step 6: Final answer
    x = 25,736.63

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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.