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Finding the Fourth Proportional to 123.33, 185.01 and 42.24

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Solution

The fourth proportional to 123.33, 185.01 and 42.24 is: 63.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.33 : 185.01 = 42.24 : x
  2. Step 2: Convert to fraction form
    123.33/185.01 = 42.24/x
  3. Step 3: Cross multiply
    123.33x = 185.01 × 42.24
  4. Step 4: Simplify right side
    123.33x = 7,814.82
  5. Step 5: Solve for x
    x = 7,814.82/123.33
  6. Step 6: Final answer
    x = 63.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.