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Finding the Fourth Proportional to 79,900.11, 119,903.67 and 33,153.03

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Solution

The fourth proportional to 79,900.11, 119,903.67 and 33,153.03 is: 49,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,900.11 : 119,903.67 = 33,153.03 : x
  2. Step 2: Convert to fraction form
    79,900.11/119,903.67 = 33,153.03/x
  3. Step 3: Cross multiply
    79,900.11x = 119,903.67 × 33,153.03
  4. Step 4: Simplify right side
    79,900.11x = 3,975,169,968.62
  5. Step 5: Solve for x
    x = 3,975,169,968.62/79,900.11
  6. Step 6: Final answer
    x = 49,751.75

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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.