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Finding the Fourth Proportional to 117,096.45, 175,644.41 and 90,481.14

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Solution

The fourth proportional to 117,096.45, 175,644.41 and 90,481.14 is: 135,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,096.45 : 175,644.41 = 90,481.14 : x
  2. Step 2: Convert to fraction form
    117,096.45/175,644.41 = 90,481.14/x
  3. Step 3: Cross multiply
    117,096.45x = 175,644.41 × 90,481.14
  4. Step 4: Simplify right side
    117,096.45x = 15,892,505,849.31
  5. Step 5: Solve for x
    x = 15,892,505,849.31/117,096.45
  6. Step 6: Final answer
    x = 135,721.50

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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.