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Finding the Fourth Proportional to 186.06, 278.01 and 182.64

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Solution

The fourth proportional to 186.06, 278.01 and 182.64 is: 272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.06 : 278.01 = 182.64 : x
  2. Step 2: Convert to fraction form
    186.06/278.01 = 182.64/x
  3. Step 3: Cross multiply
    186.06x = 278.01 × 182.64
  4. Step 4: Simplify right side
    186.06x = 50,775.75
  5. Step 5: Solve for x
    x = 50,775.75/186.06
  6. Step 6: Final answer
    x = 272.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.