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Finding the Fourth Proportional to 267.23, 368.75 and 168.95

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Solution

The fourth proportional to 267.23, 368.75 and 168.95 is: 233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.23 : 368.75 = 168.95 : x
  2. Step 2: Convert to fraction form
    267.23/368.75 = 168.95/x
  3. Step 3: Cross multiply
    267.23x = 368.75 × 168.95
  4. Step 4: Simplify right side
    267.23x = 62,300.31
  5. Step 5: Solve for x
    x = 62,300.31/267.23
  6. Step 6: Final answer
    x = 233.13

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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.