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Finding the Fourth Proportional to 79,605.44, 119,145.68 and 44,012.04

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Solution

The fourth proportional to 79,605.44, 119,145.68 and 44,012.04 is: 65,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,605.44 : 119,145.68 = 44,012.04 : x
  2. Step 2: Convert to fraction form
    79,605.44/119,145.68 = 44,012.04/x
  3. Step 3: Cross multiply
    79,605.44x = 119,145.68 × 44,012.04
  4. Step 4: Simplify right side
    79,605.44x = 5,243,844,433.99
  5. Step 5: Solve for x
    x = 5,243,844,433.99/79,605.44
  6. Step 6: Final answer
    x = 65,872.94

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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.