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Finding the Fourth Proportional to 193,989.05, 290,995.87 and 60,874.56

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Solution

The fourth proportional to 193,989.05, 290,995.87 and 60,874.56 is: 91,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,989.05 : 290,995.87 = 60,874.56 : x
  2. Step 2: Convert to fraction form
    193,989.05/290,995.87 = 60,874.56/x
  3. Step 3: Cross multiply
    193,989.05x = 290,995.87 × 60,874.56
  4. Step 4: Simplify right side
    193,989.05x = 17,714,245,738.30
  5. Step 5: Solve for x
    x = 17,714,245,738.30/193,989.05
  6. Step 6: Final answer
    x = 91,315.70

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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.