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Finding the Fourth Proportional to 193,493.86, 290,230.54 and 60,358.86

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Solution

The fourth proportional to 193,493.86, 290,230.54 and 60,358.86 is: 90,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,493.86 : 290,230.54 = 60,358.86 : x
  2. Step 2: Convert to fraction form
    193,493.86/290,230.54 = 60,358.86/x
  3. Step 3: Cross multiply
    193,493.86x = 290,230.54 × 60,358.86
  4. Step 4: Simplify right side
    193,493.86x = 17,517,984,380.69
  5. Step 5: Solve for x
    x = 17,517,984,380.69/193,493.86
  6. Step 6: Final answer
    x = 90,535.09

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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.