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Finding the Fourth Proportional to 79,957.44, 119,936.57 and 33,210.36

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Solution

The fourth proportional to 79,957.44, 119,936.57 and 33,210.36 is: 49,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,957.44 : 119,936.57 = 33,210.36 : x
  2. Step 2: Convert to fraction form
    79,957.44/119,936.57 = 33,210.36/x
  3. Step 3: Cross multiply
    79,957.44x = 119,936.57 × 33,210.36
  4. Step 4: Simplify right side
    79,957.44x = 3,983,136,500.81
  5. Step 5: Solve for x
    x = 3,983,136,500.81/79,957.44
  6. Step 6: Final answer
    x = 49,815.71

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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.