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Finding the Fourth Proportional to 177.18, 244.53 and 107.27

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Solution

The fourth proportional to 177.18, 244.53 and 107.27 is: 148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.18 : 244.53 = 107.27 : x
  2. Step 2: Convert to fraction form
    177.18/244.53 = 107.27/x
  3. Step 3: Cross multiply
    177.18x = 244.53 × 107.27
  4. Step 4: Simplify right side
    177.18x = 26,230.73
  5. Step 5: Solve for x
    x = 26,230.73/177.18
  6. Step 6: Final answer
    x = 148.05

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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.