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Finding the Fourth Proportional to 68,672.22, 103,054.50 and 24,298.80

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Solution

The fourth proportional to 68,672.22, 103,054.50 and 24,298.80 is: 36,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,672.22 : 103,054.50 = 24,298.80 : x
  2. Step 2: Convert to fraction form
    68,672.22/103,054.50 = 24,298.80/x
  3. Step 3: Cross multiply
    68,672.22x = 103,054.50 × 24,298.80
  4. Step 4: Simplify right side
    68,672.22x = 2,504,100,684.60
  5. Step 5: Solve for x
    x = 2,504,100,684.60/68,672.22
  6. Step 6: Final answer
    x = 36,464.54

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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.