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Finding the Fourth Proportional to 118.44, 177.54 and 46.26

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Solution

The fourth proportional to 118.44, 177.54 and 46.26 is: 69.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.44 : 177.54 = 46.26 : x
  2. Step 2: Convert to fraction form
    118.44/177.54 = 46.26/x
  3. Step 3: Cross multiply
    118.44x = 177.54 × 46.26
  4. Step 4: Simplify right side
    118.44x = 8,213.00
  5. Step 5: Solve for x
    x = 8,213.00/118.44
  6. Step 6: Final answer
    x = 69.34

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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.