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Finding the Fourth Proportional to 267.23, 400.73 and 104.93

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Solution

The fourth proportional to 267.23, 400.73 and 104.93 is: 157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.23 : 400.73 = 104.93 : x
  2. Step 2: Convert to fraction form
    267.23/400.73 = 104.93/x
  3. Step 3: Cross multiply
    267.23x = 400.73 × 104.93
  4. Step 4: Simplify right side
    267.23x = 42,046.07
  5. Step 5: Solve for x
    x = 42,046.07/267.23
  6. Step 6: Final answer
    x = 157.34

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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.