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Finding the Fourth Proportional to 202,198.40, 303,297.60 and 96,963.20

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Solution

The fourth proportional to 202,198.40, 303,297.60 and 96,963.20 is: 145,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,198.40 : 303,297.60 = 96,963.20 : x
  2. Step 2: Convert to fraction form
    202,198.40/303,297.60 = 96,963.20/x
  3. Step 3: Cross multiply
    202,198.40x = 303,297.60 × 96,963.20
  4. Step 4: Simplify right side
    202,198.40x = 29,408,705,848.32
  5. Step 5: Solve for x
    x = 29,408,705,848.32/202,198.40
  6. Step 6: Final answer
    x = 145,444.80

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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.