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Finding the Fourth Proportional to 186.73, 279.96 and 95.36

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Solution

The fourth proportional to 186.73, 279.96 and 95.36 is: 142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.73 : 279.96 = 95.36 : x
  2. Step 2: Convert to fraction form
    186.73/279.96 = 95.36/x
  3. Step 3: Cross multiply
    186.73x = 279.96 × 95.36
  4. Step 4: Simplify right side
    186.73x = 26,695.23
  5. Step 5: Solve for x
    x = 26,695.23/186.73
  6. Step 6: Final answer
    x = 142.96

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Why These Related Problems?

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