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Finding the Fourth Proportional to 119.07, 164.33 and 110.87

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Solution

The fourth proportional to 119.07, 164.33 and 110.87 is: 153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.07 : 164.33 = 110.87 : x
  2. Step 2: Convert to fraction form
    119.07/164.33 = 110.87/x
  3. Step 3: Cross multiply
    119.07x = 164.33 × 110.87
  4. Step 4: Simplify right side
    119.07x = 18,218.92
  5. Step 5: Solve for x
    x = 18,218.92/119.07
  6. Step 6: Final answer
    x = 153.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.