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Finding the Fourth Proportional to 86,802.93, 119,791.46 and 50,992.63

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Solution

The fourth proportional to 86,802.93, 119,791.46 and 50,992.63 is: 70,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,802.93 : 119,791.46 = 50,992.63 : x
  2. Step 2: Convert to fraction form
    86,802.93/119,791.46 = 50,992.63/x
  3. Step 3: Cross multiply
    86,802.93x = 119,791.46 × 50,992.63
  4. Step 4: Simplify right side
    86,802.93x = 6,108,481,042.50
  5. Step 5: Solve for x
    x = 6,108,481,042.50/86,802.93
  6. Step 6: Final answer
    x = 70,371.83

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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.