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Finding the Fourth Proportional to 267.98, 401.76 and 114.01

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Solution

The fourth proportional to 267.98, 401.76 and 114.01 is: 170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.98 : 401.76 = 114.01 : x
  2. Step 2: Convert to fraction form
    267.98/401.76 = 114.01/x
  3. Step 3: Cross multiply
    267.98x = 401.76 × 114.01
  4. Step 4: Simplify right side
    267.98x = 45,803.65
  5. Step 5: Solve for x
    x = 45,803.65/267.98
  6. Step 6: Final answer
    x = 170.93

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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.