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Finding the Fourth Proportional to 272.56, 376.02 and 162.01

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Solution

The fourth proportional to 272.56, 376.02 and 162.01 is: 223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.56 : 376.02 = 162.01 : x
  2. Step 2: Convert to fraction form
    272.56/376.02 = 162.01/x
  3. Step 3: Cross multiply
    272.56x = 376.02 × 162.01
  4. Step 4: Simplify right side
    272.56x = 60,919.00
  5. Step 5: Solve for x
    x = 60,919.00/272.56
  6. Step 6: Final answer
    x = 223.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.