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Finding the Fourth Proportional to 104,992.65, 144,902.16 and 59,677.44

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Solution

The fourth proportional to 104,992.65, 144,902.16 and 59,677.44 is: 82,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,992.65 : 144,902.16 = 59,677.44 : x
  2. Step 2: Convert to fraction form
    104,992.65/144,902.16 = 59,677.44/x
  3. Step 3: Cross multiply
    104,992.65x = 144,902.16 × 59,677.44
  4. Step 4: Simplify right side
    104,992.65x = 8,647,389,660.88
  5. Step 5: Solve for x
    x = 8,647,389,660.88/104,992.65
  6. Step 6: Final answer
    x = 82,361.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.