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Finding the Fourth Proportional to 186.44, 279.72 and 63.01

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Solution

The fourth proportional to 186.44, 279.72 and 63.01 is: 94.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.44 : 279.72 = 63.01 : x
  2. Step 2: Convert to fraction form
    186.44/279.72 = 63.01/x
  3. Step 3: Cross multiply
    186.44x = 279.72 × 63.01
  4. Step 4: Simplify right side
    186.44x = 17,625.51
  5. Step 5: Solve for x
    x = 17,625.51/186.44
  6. Step 6: Final answer
    x = 94.54

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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.