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Finding the Fourth Proportional to 177.48, 244.96 and 111.94

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Solution

The fourth proportional to 177.48, 244.96 and 111.94 is: 154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.48 : 244.96 = 111.94 : x
  2. Step 2: Convert to fraction form
    177.48/244.96 = 111.94/x
  3. Step 3: Cross multiply
    177.48x = 244.96 × 111.94
  4. Step 4: Simplify right side
    177.48x = 27,419.93
  5. Step 5: Solve for x
    x = 27,419.93/177.48
  6. Step 6: Final answer
    x = 154.50

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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.