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Finding the Fourth Proportional to 110,297.68, 165,379.69 and 49,496.80

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Solution

The fourth proportional to 110,297.68, 165,379.69 and 49,496.80 is: 74,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,297.68 : 165,379.69 = 49,496.80 : x
  2. Step 2: Convert to fraction form
    110,297.68/165,379.69 = 49,496.80/x
  3. Step 3: Cross multiply
    110,297.68x = 165,379.69 × 49,496.80
  4. Step 4: Simplify right side
    110,297.68x = 8,185,765,439.99
  5. Step 5: Solve for x
    x = 8,185,765,439.99/110,297.68
  6. Step 6: Final answer
    x = 74,215.21

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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.