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Finding the Fourth Proportional to 79,198.49, 118,776.87 and 29,292.89

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Solution

The fourth proportional to 79,198.49, 118,776.87 and 29,292.89 is: 43,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.49 : 118,776.87 = 29,292.89 : x
  2. Step 2: Convert to fraction form
    79,198.49/118,776.87 = 29,292.89/x
  3. Step 3: Cross multiply
    79,198.49x = 118,776.87 × 29,292.89
  4. Step 4: Simplify right side
    79,198.49x = 3,479,317,193.57
  5. Step 5: Solve for x
    x = 3,479,317,193.57/79,198.49
  6. Step 6: Final answer
    x = 43,931.61

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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.