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Finding the Fourth Proportional to 193,395.54, 290,086.02 and 53,150.52

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Solution

The fourth proportional to 193,395.54, 290,086.02 and 53,150.52 is: 79,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,395.54 : 290,086.02 = 53,150.52 : x
  2. Step 2: Convert to fraction form
    193,395.54/290,086.02 = 53,150.52/x
  3. Step 3: Cross multiply
    193,395.54x = 290,086.02 × 53,150.52
  4. Step 4: Simplify right side
    193,395.54x = 15,418,222,807.73
  5. Step 5: Solve for x
    x = 15,418,222,807.73/193,395.54
  6. Step 6: Final answer
    x = 79,723.78

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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.