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Finding the Fourth Proportional to 68,993.76, 103,404.06 and 29,504.44

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Solution

The fourth proportional to 68,993.76, 103,404.06 and 29,504.44 is: 44,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,993.76 : 103,404.06 = 29,504.44 : x
  2. Step 2: Convert to fraction form
    68,993.76/103,404.06 = 29,504.44/x
  3. Step 3: Cross multiply
    68,993.76x = 103,404.06 × 29,504.44
  4. Step 4: Simplify right side
    68,993.76x = 3,050,878,884.03
  5. Step 5: Solve for x
    x = 3,050,878,884.03/68,993.76
  6. Step 6: Final answer
    x = 44,219.63

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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.