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Finding the Fourth Proportional to 200,496.90, 300,745.35 and 125,847.30

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Solution

The fourth proportional to 200,496.90, 300,745.35 and 125,847.30 is: 188,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,496.90 : 300,745.35 = 125,847.30 : x
  2. Step 2: Convert to fraction form
    200,496.90/300,745.35 = 125,847.30/x
  3. Step 3: Cross multiply
    200,496.90x = 300,745.35 × 125,847.30
  4. Step 4: Simplify right side
    200,496.90x = 37,847,990,285.06
  5. Step 5: Solve for x
    x = 37,847,990,285.06/200,496.90
  6. Step 6: Final answer
    x = 188,770.95

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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.