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Finding the Fourth Proportional to 179.65, 269.42 and 49.62

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Solution

The fourth proportional to 179.65, 269.42 and 49.62 is: 74.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.65 : 269.42 = 49.62 : x
  2. Step 2: Convert to fraction form
    179.65/269.42 = 49.62/x
  3. Step 3: Cross multiply
    179.65x = 269.42 × 49.62
  4. Step 4: Simplify right side
    179.65x = 13,368.33
  5. Step 5: Solve for x
    x = 13,368.33/179.65
  6. Step 6: Final answer
    x = 74.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.