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Finding the Fourth Proportional to 177.46, 244.92 and 107.53

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Solution

The fourth proportional to 177.46, 244.92 and 107.53 is: 148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.46 : 244.92 = 107.53 : x
  2. Step 2: Convert to fraction form
    177.46/244.92 = 107.53/x
  3. Step 3: Cross multiply
    177.46x = 244.92 × 107.53
  4. Step 4: Simplify right side
    177.46x = 26,336.25
  5. Step 5: Solve for x
    x = 26,336.25/177.46
  6. Step 6: Final answer
    x = 148.41

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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.