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Finding the Fourth Proportional to 196,708.40, 295,062.60 and 133,722.80

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Solution

The fourth proportional to 196,708.40, 295,062.60 and 133,722.80 is: 200,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,708.40 : 295,062.60 = 133,722.80 : x
  2. Step 2: Convert to fraction form
    196,708.40/295,062.60 = 133,722.80/x
  3. Step 3: Cross multiply
    196,708.40x = 295,062.60 × 133,722.80
  4. Step 4: Simplify right side
    196,708.40x = 39,456,597,047.28
  5. Step 5: Solve for x
    x = 39,456,597,047.28/196,708.40
  6. Step 6: Final answer
    x = 200,584.20

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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.