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Finding the Fourth Proportional to 68,872.94, 103,309.08 and 24,501.33

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Solution

The fourth proportional to 68,872.94, 103,309.08 and 24,501.33 is: 36,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,872.94 : 103,309.08 = 24,501.33 : x
  2. Step 2: Convert to fraction form
    68,872.94/103,309.08 = 24,501.33/x
  3. Step 3: Cross multiply
    68,872.94x = 103,309.08 × 24,501.33
  4. Step 4: Simplify right side
    68,872.94x = 2,531,209,861.08
  5. Step 5: Solve for x
    x = 2,531,209,861.08/68,872.94
  6. Step 6: Final answer
    x = 36,751.88

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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.