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Finding the Fourth Proportional to 265.67, 366.57 and 155.14

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Solution

The fourth proportional to 265.67, 366.57 and 155.14 is: 214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.67 : 366.57 = 155.14 : x
  2. Step 2: Convert to fraction form
    265.67/366.57 = 155.14/x
  3. Step 3: Cross multiply
    265.67x = 366.57 × 155.14
  4. Step 4: Simplify right side
    265.67x = 56,869.67
  5. Step 5: Solve for x
    x = 56,869.67/265.67
  6. Step 6: Final answer
    x = 214.06

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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.