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Finding the Fourth Proportional to 267.22, 368.71 and 150.76

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Solution

The fourth proportional to 267.22, 368.71 and 150.76 is: 208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.22 : 368.71 = 150.76 : x
  2. Step 2: Convert to fraction form
    267.22/368.71 = 150.76/x
  3. Step 3: Cross multiply
    267.22x = 368.71 × 150.76
  4. Step 4: Simplify right side
    267.22x = 55,587.65
  5. Step 5: Solve for x
    x = 55,587.65/267.22
  6. Step 6: Final answer
    x = 208.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.