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Finding the Fourth Proportional to 272.24, 375.76 and 167.36

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Solution

The fourth proportional to 272.24, 375.76 and 167.36 is: 231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.24 : 375.76 = 167.36 : x
  2. Step 2: Convert to fraction form
    272.24/375.76 = 167.36/x
  3. Step 3: Cross multiply
    272.24x = 375.76 × 167.36
  4. Step 4: Simplify right side
    272.24x = 62,887.19
  5. Step 5: Solve for x
    x = 62,887.19/272.24
  6. Step 6: Final answer
    x = 231.00

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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.