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Finding the Fourth Proportional to 133,318.67, 199,958.33 and 49,059.26

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Solution

The fourth proportional to 133,318.67, 199,958.33 and 49,059.26 is: 73,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,318.67 : 199,958.33 = 49,059.26 : x
  2. Step 2: Convert to fraction form
    133,318.67/199,958.33 = 49,059.26/x
  3. Step 3: Cross multiply
    133,318.67x = 199,958.33 × 49,059.26
  4. Step 4: Simplify right side
    133,318.67x = 9,809,806,823.49
  5. Step 5: Solve for x
    x = 9,809,806,823.49/133,318.67
  6. Step 6: Final answer
    x = 73,581.65

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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.