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Finding the Fourth Proportional to 193,989.44, 290,996.46 and 60,874.95

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Solution

The fourth proportional to 193,989.44, 290,996.46 and 60,874.95 is: 91,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,989.44 : 290,996.46 = 60,874.95 : x
  2. Step 2: Convert to fraction form
    193,989.44/290,996.46 = 60,874.95/x
  3. Step 3: Cross multiply
    193,989.44x = 290,996.46 × 60,874.95
  4. Step 4: Simplify right side
    193,989.44x = 17,714,394,952.68
  5. Step 5: Solve for x
    x = 17,714,394,952.68/193,989.44
  6. Step 6: Final answer
    x = 91,316.28

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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.