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Finding the Fourth Proportional to 81,582.94, 122,371.71 and 33,549.88

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Solution

The fourth proportional to 81,582.94, 122,371.71 and 33,549.88 is: 50,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,582.94 : 122,371.71 = 33,549.88 : x
  2. Step 2: Convert to fraction form
    81,582.94/122,371.71 = 33,549.88/x
  3. Step 3: Cross multiply
    81,582.94x = 122,371.71 × 33,549.88
  4. Step 4: Simplify right side
    81,582.94x = 4,105,556,172.32
  5. Step 5: Solve for x
    x = 4,105,556,172.32/81,582.94
  6. Step 6: Final answer
    x = 50,323.71

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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.