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Finding the Fourth Proportional to 197,243.20, 295,903.20 and 84,923.20

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Solution

The fourth proportional to 197,243.20, 295,903.20 and 84,923.20 is: 127,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,243.20 : 295,903.20 = 84,923.20 : x
  2. Step 2: Convert to fraction form
    197,243.20/295,903.20 = 84,923.20/x
  3. Step 3: Cross multiply
    197,243.20x = 295,903.20 × 84,923.20
  4. Step 4: Simplify right side
    197,243.20x = 25,129,046,634.24
  5. Step 5: Solve for x
    x = 25,129,046,634.24/197,243.20
  6. Step 6: Final answer
    x = 127,401.33

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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.