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Finding the Fourth Proportional to 69,843.49, 96,404.36 and 45,647.98

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Solution

The fourth proportional to 69,843.49, 96,404.36 and 45,647.98 is: 63,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,843.49 : 96,404.36 = 45,647.98 : x
  2. Step 2: Convert to fraction form
    69,843.49/96,404.36 = 45,647.98/x
  3. Step 3: Cross multiply
    69,843.49x = 96,404.36 × 45,647.98
  4. Step 4: Simplify right side
    69,843.49x = 4,400,664,297.19
  5. Step 5: Solve for x
    x = 4,400,664,297.19/69,843.49
  6. Step 6: Final answer
    x = 63,007.51

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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.