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Finding the Fourth Proportional to 200,618.40, 300,927.60 and 82,250.40

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Solution

The fourth proportional to 200,618.40, 300,927.60 and 82,250.40 is: 123,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,618.40 : 300,927.60 = 82,250.40 : x
  2. Step 2: Convert to fraction form
    200,618.40/300,927.60 = 82,250.40/x
  3. Step 3: Cross multiply
    200,618.40x = 300,927.60 × 82,250.40
  4. Step 4: Simplify right side
    200,618.40x = 24,751,415,471.04
  5. Step 5: Solve for x
    x = 24,751,415,471.04/200,618.40
  6. Step 6: Final answer
    x = 123,375.60

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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.