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Finding the Fourth Proportional to 201.34, 302.44 and 179

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Solution

The fourth proportional to 201.34, 302.44 and 179 is: 268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.34 : 302.44 = 179 : x
  2. Step 2: Convert to fraction form
    201.34/302.44 = 179/x
  3. Step 3: Cross multiply
    201.34x = 302.44 × 179
  4. Step 4: Simplify right side
    201.34x = 54,136.76
  5. Step 5: Solve for x
    x = 54,136.76/201.34
  6. Step 6: Final answer
    x = 268.88

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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.