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Finding the Fourth Proportional to 68,967.72, 103,496.94 and 37,824.84

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Solution

The fourth proportional to 68,967.72, 103,496.94 and 37,824.84 is: 56,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,967.72 : 103,496.94 = 37,824.84 : x
  2. Step 2: Convert to fraction form
    68,967.72/103,496.94 = 37,824.84/x
  3. Step 3: Cross multiply
    68,967.72x = 103,496.94 × 37,824.84
  4. Step 4: Simplify right side
    68,967.72x = 3,914,755,195.99
  5. Step 5: Solve for x
    x = 3,914,755,195.99/68,967.72
  6. Step 6: Final answer
    x = 56,762.14

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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.