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Finding the Fourth Proportional to 266.96, 368.35 and 168.68

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Solution

The fourth proportional to 266.96, 368.35 and 168.68 is: 232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.96 : 368.35 = 168.68 : x
  2. Step 2: Convert to fraction form
    266.96/368.35 = 168.68/x
  3. Step 3: Cross multiply
    266.96x = 368.35 × 168.68
  4. Step 4: Simplify right side
    266.96x = 62,133.78
  5. Step 5: Solve for x
    x = 62,133.78/266.96
  6. Step 6: Final answer
    x = 232.74

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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.