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Finding the Fourth Proportional to 180.04, 269.66 and 111.46

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Solution

The fourth proportional to 180.04, 269.66 and 111.46 is: 166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.04 : 269.66 = 111.46 : x
  2. Step 2: Convert to fraction form
    180.04/269.66 = 111.46/x
  3. Step 3: Cross multiply
    180.04x = 269.66 × 111.46
  4. Step 4: Simplify right side
    180.04x = 30,056.30
  5. Step 5: Solve for x
    x = 30,056.30/180.04
  6. Step 6: Final answer
    x = 166.94

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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.