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Finding the Fourth Proportional to 197,107.36, 295,871.56 and 84,843.20

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Solution

The fourth proportional to 197,107.36, 295,871.56 and 84,843.20 is: 127,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,107.36 : 295,871.56 = 84,843.20 : x
  2. Step 2: Convert to fraction form
    197,107.36/295,871.56 = 84,843.20/x
  3. Step 3: Cross multiply
    197,107.36x = 295,871.56 × 84,843.20
  4. Step 4: Simplify right side
    197,107.36x = 25,102,689,939.39
  5. Step 5: Solve for x
    x = 25,102,689,939.39/197,107.36
  6. Step 6: Final answer
    x = 127,355.42

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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.