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Finding the Fourth Proportional to 249.93, 345.27 and 167.01

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Solution

The fourth proportional to 249.93, 345.27 and 167.01 is: 230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.93 : 345.27 = 167.01 : x
  2. Step 2: Convert to fraction form
    249.93/345.27 = 167.01/x
  3. Step 3: Cross multiply
    249.93x = 345.27 × 167.01
  4. Step 4: Simplify right side
    249.93x = 57,663.54
  5. Step 5: Solve for x
    x = 57,663.54/249.93
  6. Step 6: Final answer
    x = 230.72

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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.