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Finding the Fourth Proportional to 79,855.96, 119,804.46 and 29,936.74

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Solution

The fourth proportional to 79,855.96, 119,804.46 and 29,936.74 is: 44,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,855.96 : 119,804.46 = 29,936.74 : x
  2. Step 2: Convert to fraction form
    79,855.96/119,804.46 = 29,936.74/x
  3. Step 3: Cross multiply
    79,855.96x = 119,804.46 × 29,936.74
  4. Step 4: Simplify right side
    79,855.96x = 3,586,554,969.86
  5. Step 5: Solve for x
    x = 3,586,554,969.86/79,855.96
  6. Step 6: Final answer
    x = 44,912.80

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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.