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Finding the Fourth Proportional to 267.61, 401.06 and 151.98

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Solution

The fourth proportional to 267.61, 401.06 and 151.98 is: 227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.61 : 401.06 = 151.98 : x
  2. Step 2: Convert to fraction form
    267.61/401.06 = 151.98/x
  3. Step 3: Cross multiply
    267.61x = 401.06 × 151.98
  4. Step 4: Simplify right side
    267.61x = 60,953.10
  5. Step 5: Solve for x
    x = 60,953.10/267.61
  6. Step 6: Final answer
    x = 227.77

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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.