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Finding the Fourth Proportional to 267.21, 400.59 and 123.03

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Solution

The fourth proportional to 267.21, 400.59 and 123.03 is: 184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.21 : 400.59 = 123.03 : x
  2. Step 2: Convert to fraction form
    267.21/400.59 = 123.03/x
  3. Step 3: Cross multiply
    267.21x = 400.59 × 123.03
  4. Step 4: Simplify right side
    267.21x = 49,284.59
  5. Step 5: Solve for x
    x = 49,284.59/267.21
  6. Step 6: Final answer
    x = 184.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.