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Finding the Fourth Proportional to 202,094.43, 303,058.24 and 68,985.41

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Solution

The fourth proportional to 202,094.43, 303,058.24 and 68,985.41 is: 103,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,094.43 : 303,058.24 = 68,985.41 : x
  2. Step 2: Convert to fraction form
    202,094.43/303,058.24 = 68,985.41/x
  3. Step 3: Cross multiply
    202,094.43x = 303,058.24 × 68,985.41
  4. Step 4: Simplify right side
    202,094.43x = 20,906,596,940.28
  5. Step 5: Solve for x
    x = 20,906,596,940.28/202,094.43
  6. Step 6: Final answer
    x = 103,449.64

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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.