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Finding the Fourth Proportional to 119.99, 179.99 and 33.32

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Solution

The fourth proportional to 119.99, 179.99 and 33.32 is: 49.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.99 : 179.99 = 33.32 : x
  2. Step 2: Convert to fraction form
    119.99/179.99 = 33.32/x
  3. Step 3: Cross multiply
    119.99x = 179.99 × 33.32
  4. Step 4: Simplify right side
    119.99x = 5,997.08
  5. Step 5: Solve for x
    x = 5,997.08/119.99
  6. Step 6: Final answer
    x = 49.98

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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.