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Finding the Fourth Proportional to 118.41, 177.62 and 37.26

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Solution

The fourth proportional to 118.41, 177.62 and 37.26 is: 55.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.41 : 177.62 = 37.26 : x
  2. Step 2: Convert to fraction form
    118.41/177.62 = 37.26/x
  3. Step 3: Cross multiply
    118.41x = 177.62 × 37.26
  4. Step 4: Simplify right side
    118.41x = 6,617.93
  5. Step 5: Solve for x
    x = 6,617.93/118.41
  6. Step 6: Final answer
    x = 55.89

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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.