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Finding the Fourth Proportional to 116.46, 174.66 and 106.44

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Solution

The fourth proportional to 116.46, 174.66 and 106.44 is: 159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.46 : 174.66 = 106.44 : x
  2. Step 2: Convert to fraction form
    116.46/174.66 = 106.44/x
  3. Step 3: Cross multiply
    116.46x = 174.66 × 106.44
  4. Step 4: Simplify right side
    116.46x = 18,590.81
  5. Step 5: Solve for x
    x = 18,590.81/116.46
  6. Step 6: Final answer
    x = 159.63

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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.