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Finding the Fourth Proportional to 79,661.98, 119,512.41 and 24,257.98

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Solution

The fourth proportional to 79,661.98, 119,512.41 and 24,257.98 is: 36,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,661.98 : 119,512.41 = 24,257.98 : x
  2. Step 2: Convert to fraction form
    79,661.98/119,512.41 = 24,257.98/x
  3. Step 3: Cross multiply
    79,661.98x = 119,512.41 × 24,257.98
  4. Step 4: Simplify right side
    79,661.98x = 2,899,129,651.53
  5. Step 5: Solve for x
    x = 2,899,129,651.53/79,661.98
  6. Step 6: Final answer
    x = 36,392.89

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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.