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Finding the Fourth Proportional to 86,786.82, 130,094.83 and 50,717.49

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Solution

The fourth proportional to 86,786.82, 130,094.83 and 50,717.49 is: 76,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,786.82 : 130,094.83 = 50,717.49 : x
  2. Step 2: Convert to fraction form
    86,786.82/130,094.83 = 50,717.49/x
  3. Step 3: Cross multiply
    86,786.82x = 130,094.83 × 50,717.49
  4. Step 4: Simplify right side
    86,786.82x = 6,598,084,055.44
  5. Step 5: Solve for x
    x = 6,598,084,055.44/86,786.82
  6. Step 6: Final answer
    x = 76,026.34

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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.