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Finding the Fourth Proportional to 103,976.86, 155,986.35 and 33,837.34

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Solution

The fourth proportional to 103,976.86, 155,986.35 and 33,837.34 is: 50,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,976.86 : 155,986.35 = 33,837.34 : x
  2. Step 2: Convert to fraction form
    103,976.86/155,986.35 = 33,837.34/x
  3. Step 3: Cross multiply
    103,976.86x = 155,986.35 × 33,837.34
  4. Step 4: Simplify right side
    103,976.86x = 5,278,163,160.31
  5. Step 5: Solve for x
    x = 5,278,163,160.31/103,976.86
  6. Step 6: Final answer
    x = 50,762.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.