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Finding the Fourth Proportional to 177,279.76, 244,736.32 and 136,902.88

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Solution

The fourth proportional to 177,279.76, 244,736.32 and 136,902.88 is: 188,995.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,279.76 : 244,736.32 = 136,902.88 : x
  2. Step 2: Convert to fraction form
    177,279.76/244,736.32 = 136,902.88/x
  3. Step 3: Cross multiply
    177,279.76x = 244,736.32 × 136,902.88
  4. Step 4: Simplify right side
    177,279.76x = 33,505,107,048.60
  5. Step 5: Solve for x
    x = 33,505,107,048.60/177,279.76
  6. Step 6: Final answer
    x = 188,995.67

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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.