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Finding the Fourth Proportional to 202,201.32, 303,172.22 and 83,954.28

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Solution

The fourth proportional to 202,201.32, 303,172.22 and 83,954.28 is: 125,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,201.32 : 303,172.22 = 83,954.28 : x
  2. Step 2: Convert to fraction form
    202,201.32/303,172.22 = 83,954.28/x
  3. Step 3: Cross multiply
    202,201.32x = 303,172.22 × 83,954.28
  4. Step 4: Simplify right side
    202,201.32x = 25,452,605,446.10
  5. Step 5: Solve for x
    x = 25,452,605,446.10/202,201.32
  6. Step 6: Final answer
    x = 125,877.54

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1.5x scale

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.