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Finding the Fourth Proportional to 202,342.40, 303,513.60 and 149,198.30

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Solution

The fourth proportional to 202,342.40, 303,513.60 and 149,198.30 is: 223,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,342.40 : 303,513.60 = 149,198.30 : x
  2. Step 2: Convert to fraction form
    202,342.40/303,513.60 = 149,198.30/x
  3. Step 3: Cross multiply
    202,342.40x = 303,513.60 × 149,198.30
  4. Step 4: Simplify right side
    202,342.40x = 45,283,713,146.88
  5. Step 5: Solve for x
    x = 45,283,713,146.88/202,342.40
  6. Step 6: Final answer
    x = 223,797.45

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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.