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Finding the Fourth Proportional to 79,603.58, 119,306.95 and 40,171.97

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Solution

The fourth proportional to 79,603.58, 119,306.95 and 40,171.97 is: 60,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,603.58 : 119,306.95 = 40,171.97 : x
  2. Step 2: Convert to fraction form
    79,603.58/119,306.95 = 40,171.97/x
  3. Step 3: Cross multiply
    79,603.58x = 119,306.95 × 40,171.97
  4. Step 4: Simplify right side
    79,603.58x = 4,792,795,216.19
  5. Step 5: Solve for x
    x = 4,792,795,216.19/79,603.58
  6. Step 6: Final answer
    x = 60,208.29

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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.