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Finding the Fourth Proportional to 162.83, 244.26 and 54.60

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Solution

The fourth proportional to 162.83, 244.26 and 54.60 is: 81.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.83 : 244.26 = 54.60 : x
  2. Step 2: Convert to fraction form
    162.83/244.26 = 54.60/x
  3. Step 3: Cross multiply
    162.83x = 244.26 × 54.60
  4. Step 4: Simplify right side
    162.83x = 13,336.60
  5. Step 5: Solve for x
    x = 13,336.60/162.83
  6. Step 6: Final answer
    x = 81.91

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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.