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Finding the Fourth Proportional to 236.12, 325.52 and 191.76

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Solution

The fourth proportional to 236.12, 325.52 and 191.76 is: 264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.12 : 325.52 = 191.76 : x
  2. Step 2: Convert to fraction form
    236.12/325.52 = 191.76/x
  3. Step 3: Cross multiply
    236.12x = 325.52 × 191.76
  4. Step 4: Simplify right side
    236.12x = 62,421.72
  5. Step 5: Solve for x
    x = 62,421.72/236.12
  6. Step 6: Final answer
    x = 264.36

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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.