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Finding the Fourth Proportional to 200,512.20, 300,833.10 and 134,027.40

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Solution

The fourth proportional to 200,512.20, 300,833.10 and 134,027.40 is: 201,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,512.20 : 300,833.10 = 134,027.40 : x
  2. Step 2: Convert to fraction form
    200,512.20/300,833.10 = 134,027.40/x
  3. Step 3: Cross multiply
    200,512.20x = 300,833.10 × 134,027.40
  4. Step 4: Simplify right side
    200,512.20x = 40,319,878,226.94
  5. Step 5: Solve for x
    x = 40,319,878,226.94/200,512.20
  6. Step 6: Final answer
    x = 201,084.41

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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.