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Finding the Fourth Proportional to 69,046.12, 103,503.57 and 44,015.91

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Solution

The fourth proportional to 69,046.12, 103,503.57 and 44,015.91 is: 65,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,046.12 : 103,503.57 = 44,015.91 : x
  2. Step 2: Convert to fraction form
    69,046.12/103,503.57 = 44,015.91/x
  3. Step 3: Cross multiply
    69,046.12x = 103,503.57 × 44,015.91
  4. Step 4: Simplify right side
    69,046.12x = 4,555,803,821.80
  5. Step 5: Solve for x
    x = 4,555,803,821.80/69,046.12
  6. Step 6: Final answer
    x = 65,982.04

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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.