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Finding the Fourth Proportional to 267.34, 400.37 and 137.00

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Solution

The fourth proportional to 267.34, 400.37 and 137.00 is: 205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.34 : 400.37 = 137.00 : x
  2. Step 2: Convert to fraction form
    267.34/400.37 = 137.00/x
  3. Step 3: Cross multiply
    267.34x = 400.37 × 137.00
  4. Step 4: Simplify right side
    267.34x = 54,848.00
  5. Step 5: Solve for x
    x = 54,848.00/267.34
  6. Step 6: Final answer
    x = 205.16

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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.