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Finding the Fourth Proportional to 193,893.88, 290,844.50 and 60,771.20

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Solution

The fourth proportional to 193,893.88, 290,844.50 and 60,771.20 is: 91,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,893.88 : 290,844.50 = 60,771.20 : x
  2. Step 2: Convert to fraction form
    193,893.88/290,844.50 = 60,771.20/x
  3. Step 3: Cross multiply
    193,893.88x = 290,844.50 × 60,771.20
  4. Step 4: Simplify right side
    193,893.88x = 17,674,969,278.40
  5. Step 5: Solve for x
    x = 17,674,969,278.40/193,893.88
  6. Step 6: Final answer
    x = 91,157.95

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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.