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Finding the Fourth Proportional to 249.04, 373.23 and 111.94

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Solution

The fourth proportional to 249.04, 373.23 and 111.94 is: 167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.04 : 373.23 = 111.94 : x
  2. Step 2: Convert to fraction form
    249.04/373.23 = 111.94/x
  3. Step 3: Cross multiply
    249.04x = 373.23 × 111.94
  4. Step 4: Simplify right side
    249.04x = 41,779.37
  5. Step 5: Solve for x
    x = 41,779.37/249.04
  6. Step 6: Final answer
    x = 167.76

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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.