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Finding the Fourth Proportional to 202.93, 280.01 and 192.68

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Solution

The fourth proportional to 202.93, 280.01 and 192.68 is: 265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.93 : 280.01 = 192.68 : x
  2. Step 2: Convert to fraction form
    202.93/280.01 = 192.68/x
  3. Step 3: Cross multiply
    202.93x = 280.01 × 192.68
  4. Step 4: Simplify right side
    202.93x = 53,952.33
  5. Step 5: Solve for x
    x = 53,952.33/202.93
  6. Step 6: Final answer
    x = 265.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.