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Finding the Fourth Proportional to 202.99, 304.47 and 164.27

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Solution

The fourth proportional to 202.99, 304.47 and 164.27 is: 246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.99 : 304.47 = 164.27 : x
  2. Step 2: Convert to fraction form
    202.99/304.47 = 164.27/x
  3. Step 3: Cross multiply
    202.99x = 304.47 × 164.27
  4. Step 4: Simplify right side
    202.99x = 50,014.18
  5. Step 5: Solve for x
    x = 50,014.18/202.99
  6. Step 6: Final answer
    x = 246.39

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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.