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Finding the Fourth Proportional to 186.33, 279.57 and 116.04

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Solution

The fourth proportional to 186.33, 279.57 and 116.04 is: 174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.33 : 279.57 = 116.04 : x
  2. Step 2: Convert to fraction form
    186.33/279.57 = 116.04/x
  3. Step 3: Cross multiply
    186.33x = 279.57 × 116.04
  4. Step 4: Simplify right side
    186.33x = 32,441.30
  5. Step 5: Solve for x
    x = 32,441.30/186.33
  6. Step 6: Final answer
    x = 174.11

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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.