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Finding the Fourth Proportional to 182, 251.20 and 116.48

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Solution

The fourth proportional to 182, 251.20 and 116.48 is: 160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    182 : 251.20 = 116.48 : x
  2. Step 2: Convert to fraction form
    182/251.20 = 116.48/x
  3. Step 3: Cross multiply
    182x = 251.20 × 116.48
  4. Step 4: Simplify right side
    182x = 29,259.78
  5. Step 5: Solve for x
    x = 29,259.78/182
  6. Step 6: Final answer
    x = 160.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.