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Finding the Fourth Proportional to 119.88, 180 and 96.03

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Solution

The fourth proportional to 119.88, 180 and 96.03 is: 144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.88 : 180 = 96.03 : x
  2. Step 2: Convert to fraction form
    119.88/180 = 96.03/x
  3. Step 3: Cross multiply
    119.88x = 180 × 96.03
  4. Step 4: Simplify right side
    119.88x = 17,285.40
  5. Step 5: Solve for x
    x = 17,285.40/119.88
  6. Step 6: Final answer
    x = 144.19

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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.