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Finding the Fourth Proportional to 236.25, 354.58 and 92.07

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Solution

The fourth proportional to 236.25, 354.58 and 92.07 is: 138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.25 : 354.58 = 92.07 : x
  2. Step 2: Convert to fraction form
    236.25/354.58 = 92.07/x
  3. Step 3: Cross multiply
    236.25x = 354.58 × 92.07
  4. Step 4: Simplify right side
    236.25x = 32,644.83
  5. Step 5: Solve for x
    x = 32,644.83/236.25
  6. Step 6: Final answer
    x = 138.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.