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Finding the Fourth Proportional to 119,894.85, 179,952.71 and 60,771.87

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Solution

The fourth proportional to 119,894.85, 179,952.71 and 60,771.87 is: 91,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,894.85 : 179,952.71 = 60,771.87 : x
  2. Step 2: Convert to fraction form
    119,894.85/179,952.71 = 60,771.87/x
  3. Step 3: Cross multiply
    119,894.85x = 179,952.71 × 60,771.87
  4. Step 4: Simplify right side
    119,894.85x = 10,936,062,394.41
  5. Step 5: Solve for x
    x = 10,936,062,394.41/119,894.85
  6. Step 6: Final answer
    x = 91,213.78

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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.