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Finding the Fourth Proportional to 259,885.86, 389,828.82 and 62,893.86

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Solution

The fourth proportional to 259,885.86, 389,828.82 and 62,893.86 is: 94,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,885.86 : 389,828.82 = 62,893.86 : x
  2. Step 2: Convert to fraction form
    259,885.86/389,828.82 = 62,893.86/x
  3. Step 3: Cross multiply
    259,885.86x = 389,828.82 × 62,893.86
  4. Step 4: Simplify right side
    259,885.86x = 24,517,839,229.05
  5. Step 5: Solve for x
    x = 24,517,839,229.05/259,885.86
  6. Step 6: Final answer
    x = 94,340.80

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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.