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Finding the Fourth Proportional to 240.83, 361.36 and 110.93

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Solution

The fourth proportional to 240.83, 361.36 and 110.93 is: 166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.83 : 361.36 = 110.93 : x
  2. Step 2: Convert to fraction form
    240.83/361.36 = 110.93/x
  3. Step 3: Cross multiply
    240.83x = 361.36 × 110.93
  4. Step 4: Simplify right side
    240.83x = 40,085.66
  5. Step 5: Solve for x
    x = 40,085.66/240.83
  6. Step 6: Final answer
    x = 166.45

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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.