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Finding the Fourth Proportional to 149.09, 223.65 and 123.26

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Solution

The fourth proportional to 149.09, 223.65 and 123.26 is: 184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.09 : 223.65 = 123.26 : x
  2. Step 2: Convert to fraction form
    149.09/223.65 = 123.26/x
  3. Step 3: Cross multiply
    149.09x = 223.65 × 123.26
  4. Step 4: Simplify right side
    149.09x = 27,565.98
  5. Step 5: Solve for x
    x = 27,565.98/149.09
  6. Step 6: Final answer
    x = 184.90

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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.