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Finding the Fourth Proportional to 267.83, 401.68 and 94.47

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Solution

The fourth proportional to 267.83, 401.68 and 94.47 is: 141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.83 : 401.68 = 94.47 : x
  2. Step 2: Convert to fraction form
    267.83/401.68 = 94.47/x
  3. Step 3: Cross multiply
    267.83x = 401.68 × 94.47
  4. Step 4: Simplify right side
    267.83x = 37,946.71
  5. Step 5: Solve for x
    x = 37,946.71/267.83
  6. Step 6: Final answer
    x = 141.68

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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.