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Finding the Fourth Proportional to 267.94, 401.46 and 164.93

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Solution

The fourth proportional to 267.94, 401.46 and 164.93 is: 247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.94 : 401.46 = 164.93 : x
  2. Step 2: Convert to fraction form
    267.94/401.46 = 164.93/x
  3. Step 3: Cross multiply
    267.94x = 401.46 × 164.93
  4. Step 4: Simplify right side
    267.94x = 66,210.79
  5. Step 5: Solve for x
    x = 66,210.79/267.94
  6. Step 6: Final answer
    x = 247.12

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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.