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Finding the Fourth Proportional to 202,481.97, 303,492.51 and 89,993.22

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Solution

The fourth proportional to 202,481.97, 303,492.51 and 89,993.22 is: 134,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,481.97 : 303,492.51 = 89,993.22 : x
  2. Step 2: Convert to fraction form
    202,481.97/303,492.51 = 89,993.22/x
  3. Step 3: Cross multiply
    202,481.97x = 303,492.51 × 89,993.22
  4. Step 4: Simplify right side
    202,481.97x = 27,312,268,220.78
  5. Step 5: Solve for x
    x = 27,312,268,220.78/202,481.97
  6. Step 6: Final answer
    x = 134,887.41

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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.