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Finding the Fourth Proportional to 466.54, 699.83 and 119.87

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Solution

The fourth proportional to 466.54, 699.83 and 119.87 is: 179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.54 : 699.83 = 119.87 : x
  2. Step 2: Convert to fraction form
    466.54/699.83 = 119.87/x
  3. Step 3: Cross multiply
    466.54x = 699.83 × 119.87
  4. Step 4: Simplify right side
    466.54x = 83,890.37
  5. Step 5: Solve for x
    x = 83,890.37/466.54
  6. Step 6: Final answer
    x = 179.82

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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.