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Finding the Fourth Proportional to 202.33, 302.86 and 201.93

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Solution

The fourth proportional to 202.33, 302.86 and 201.93 is: 302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.33 : 302.86 = 201.93 : x
  2. Step 2: Convert to fraction form
    202.33/302.86 = 201.93/x
  3. Step 3: Cross multiply
    202.33x = 302.86 × 201.93
  4. Step 4: Simplify right side
    202.33x = 61,156.52
  5. Step 5: Solve for x
    x = 61,156.52/202.33
  6. Step 6: Final answer
    x = 302.26

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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.