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Finding the Fourth Proportional to 199,102.60, 298,740.30 and 100,606.60

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Solution

The fourth proportional to 199,102.60, 298,740.30 and 100,606.60 is: 150,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,102.60 : 298,740.30 = 100,606.60 : x
  2. Step 2: Convert to fraction form
    199,102.60/298,740.30 = 100,606.60/x
  3. Step 3: Cross multiply
    199,102.60x = 298,740.30 × 100,606.60
  4. Step 4: Simplify right side
    199,102.60x = 30,055,245,865.98
  5. Step 5: Solve for x
    x = 30,055,245,865.98/199,102.60
  6. Step 6: Final answer
    x = 150,953.56

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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.