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Finding the Fourth Proportional to 193,906.28, 290,859.48 and 60,796.88

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Solution

The fourth proportional to 193,906.28, 290,859.48 and 60,796.88 is: 91,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,906.28 : 290,859.48 = 60,796.88 : x
  2. Step 2: Convert to fraction form
    193,906.28/290,859.48 = 60,796.88/x
  3. Step 3: Cross multiply
    193,906.28x = 290,859.48 × 60,796.88
  4. Step 4: Simplify right side
    193,906.28x = 17,683,348,902.42
  5. Step 5: Solve for x
    x = 17,683,348,902.42/193,906.28
  6. Step 6: Final answer
    x = 91,195.34

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1.5x scale

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.