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Finding the Fourth Proportional to 163,198.40, 244,330.40 and 100,446.40

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Solution

The fourth proportional to 163,198.40, 244,330.40 and 100,446.40 is: 150,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,198.40 : 244,330.40 = 100,446.40 : x
  2. Step 2: Convert to fraction form
    163,198.40/244,330.40 = 100,446.40/x
  3. Step 3: Cross multiply
    163,198.40x = 244,330.40 × 100,446.40
  4. Step 4: Simplify right side
    163,198.40x = 24,542,109,090.56
  5. Step 5: Solve for x
    x = 24,542,109,090.56/163,198.40
  6. Step 6: Final answer
    x = 150,382.04

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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.