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Finding the Fourth Proportional to 266.86, 368.07 and 168.58

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Solution

The fourth proportional to 266.86, 368.07 and 168.58 is: 232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.86 : 368.07 = 168.58 : x
  2. Step 2: Convert to fraction form
    266.86/368.07 = 168.58/x
  3. Step 3: Cross multiply
    266.86x = 368.07 × 168.58
  4. Step 4: Simplify right side
    266.86x = 62,049.24
  5. Step 5: Solve for x
    x = 62,049.24/266.86
  6. Step 6: Final answer
    x = 232.52

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