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Finding the Fourth Proportional to 265.08, 365.66 and 166.86

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Solution

The fourth proportional to 265.08, 365.66 and 166.86 is: 230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.08 : 365.66 = 166.86 : x
  2. Step 2: Convert to fraction form
    265.08/365.66 = 166.86/x
  3. Step 3: Cross multiply
    265.08x = 365.66 × 166.86
  4. Step 4: Simplify right side
    265.08x = 61,014.03
  5. Step 5: Solve for x
    x = 61,014.03/265.08
  6. Step 6: Final answer
    x = 230.17

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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.