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Finding the Fourth Proportional to 202,213.21, 303,321.03 and 89,867.02

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Solution

The fourth proportional to 202,213.21, 303,321.03 and 89,867.02 is: 134,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,213.21 : 303,321.03 = 89,867.02 : x
  2. Step 2: Convert to fraction form
    202,213.21/303,321.03 = 89,867.02/x
  3. Step 3: Cross multiply
    202,213.21x = 303,321.03 × 89,867.02
  4. Step 4: Simplify right side
    202,213.21x = 27,258,557,069.43
  5. Step 5: Solve for x
    x = 27,258,557,069.43/202,213.21
  6. Step 6: Final answer
    x = 134,801.07

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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.