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Finding the Fourth Proportional to 265.16, 365.74 and 173

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Solution

The fourth proportional to 265.16, 365.74 and 173 is: 238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.16 : 365.74 = 173 : x
  2. Step 2: Convert to fraction form
    265.16/365.74 = 173/x
  3. Step 3: Cross multiply
    265.16x = 365.74 × 173
  4. Step 4: Simplify right side
    265.16x = 63,273.02
  5. Step 5: Solve for x
    x = 63,273.02/265.16
  6. Step 6: Final answer
    x = 238.62

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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.