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Finding the Fourth Proportional to 201.33, 302.00 and 64.35

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Solution

The fourth proportional to 201.33, 302.00 and 64.35 is: 96.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.33 : 302.00 = 64.35 : x
  2. Step 2: Convert to fraction form
    201.33/302.00 = 64.35/x
  3. Step 3: Cross multiply
    201.33x = 302.00 × 64.35
  4. Step 4: Simplify right side
    201.33x = 19,433.38
  5. Step 5: Solve for x
    x = 19,433.38/201.33
  6. Step 6: Final answer
    x = 96.53

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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.