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Finding the Fourth Proportional to 197,066.40, 295,599.60 and 134,080.80

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Solution

The fourth proportional to 197,066.40, 295,599.60 and 134,080.80 is: 201,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,066.40 : 295,599.60 = 134,080.80 : x
  2. Step 2: Convert to fraction form
    197,066.40/295,599.60 = 134,080.80/x
  3. Step 3: Cross multiply
    197,066.40x = 295,599.60 × 134,080.80
  4. Step 4: Simplify right side
    197,066.40x = 39,634,230,847.68
  5. Step 5: Solve for x
    x = 39,634,230,847.68/197,066.40
  6. Step 6: Final answer
    x = 201,121.20

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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.