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Finding the Fourth Proportional to 186.39, 279.27 and 175.25

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Solution

The fourth proportional to 186.39, 279.27 and 175.25 is: 262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.39 : 279.27 = 175.25 : x
  2. Step 2: Convert to fraction form
    186.39/279.27 = 175.25/x
  3. Step 3: Cross multiply
    186.39x = 279.27 × 175.25
  4. Step 4: Simplify right side
    186.39x = 48,940.67
  5. Step 5: Solve for x
    x = 48,940.67/186.39
  6. Step 6: Final answer
    x = 262.57

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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.