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Finding the Fourth Proportional to 201.96, 304.56 and 184.68

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Solution

The fourth proportional to 201.96, 304.56 and 184.68 is: 278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.96 : 304.56 = 184.68 : x
  2. Step 2: Convert to fraction form
    201.96/304.56 = 184.68/x
  3. Step 3: Cross multiply
    201.96x = 304.56 × 184.68
  4. Step 4: Simplify right side
    201.96x = 56,246.14
  5. Step 5: Solve for x
    x = 56,246.14/201.96
  6. Step 6: Final answer
    x = 278.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.