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Finding the Fourth Proportional to 197,205.60, 295,808.40 and 64,090.20

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Solution

The fourth proportional to 197,205.60, 295,808.40 and 64,090.20 is: 96,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,205.60 : 295,808.40 = 64,090.20 : x
  2. Step 2: Convert to fraction form
    197,205.60/295,808.40 = 64,090.20/x
  3. Step 3: Cross multiply
    197,205.60x = 295,808.40 × 64,090.20
  4. Step 4: Simplify right side
    197,205.60x = 18,958,419,517.68
  5. Step 5: Solve for x
    x = 18,958,419,517.68/197,205.60
  6. Step 6: Final answer
    x = 96,135.30

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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.