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Finding the Fourth Proportional to 69,690.22, 104,377.22 and 44,389.87

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Solution

The fourth proportional to 69,690.22, 104,377.22 and 44,389.87 is: 66,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.22 : 104,377.22 = 44,389.87 : x
  2. Step 2: Convert to fraction form
    69,690.22/104,377.22 = 44,389.87/x
  3. Step 3: Cross multiply
    69,690.22x = 104,377.22 × 44,389.87
  4. Step 4: Simplify right side
    69,690.22x = 4,633,290,743.87
  5. Step 5: Solve for x
    x = 4,633,290,743.87/69,690.22
  6. Step 6: Final answer
    x = 66,484.09

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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.