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Finding the Fourth Proportional to 177.54, 265.96 and 116.49

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Solution

The fourth proportional to 177.54, 265.96 and 116.49 is: 174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.54 : 265.96 = 116.49 : x
  2. Step 2: Convert to fraction form
    177.54/265.96 = 116.49/x
  3. Step 3: Cross multiply
    177.54x = 265.96 × 116.49
  4. Step 4: Simplify right side
    177.54x = 30,980.35
  5. Step 5: Solve for x
    x = 30,980.35/177.54
  6. Step 6: Final answer
    x = 174.50

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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.