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Finding the Fourth Proportional to 162.94, 244.50 and 54.76

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Solution

The fourth proportional to 162.94, 244.50 and 54.76 is: 82.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.94 : 244.50 = 54.76 : x
  2. Step 2: Convert to fraction form
    162.94/244.50 = 54.76/x
  3. Step 3: Cross multiply
    162.94x = 244.50 × 54.76
  4. Step 4: Simplify right side
    162.94x = 13,388.82
  5. Step 5: Solve for x
    x = 13,388.82/162.94
  6. Step 6: Final answer
    x = 82.17

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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.