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Finding the Fourth Proportional to 68,880.21, 103,284.42 and 24,500.52

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Solution

The fourth proportional to 68,880.21, 103,284.42 and 24,500.52 is: 36,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,880.21 : 103,284.42 = 24,500.52 : x
  2. Step 2: Convert to fraction form
    68,880.21/103,284.42 = 24,500.52/x
  3. Step 3: Cross multiply
    68,880.21x = 103,284.42 × 24,500.52
  4. Step 4: Simplify right side
    68,880.21x = 2,530,521,997.90
  5. Step 5: Solve for x
    x = 2,530,521,997.90/68,880.21
  6. Step 6: Final answer
    x = 36,738.01

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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.