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Finding the Fourth Proportional to 283,145.69, 424,784.23 and 93,594.56

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Solution

The fourth proportional to 283,145.69, 424,784.23 and 93,594.56 is: 140,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,145.69 : 424,784.23 = 93,594.56 : x
  2. Step 2: Convert to fraction form
    283,145.69/424,784.23 = 93,594.56/x
  3. Step 3: Cross multiply
    283,145.69x = 424,784.23 × 93,594.56
  4. Step 4: Simplify right side
    283,145.69x = 39,757,491,540.35
  5. Step 5: Solve for x
    x = 39,757,491,540.35/283,145.69
  6. Step 6: Final answer
    x = 140,413.55

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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.