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Finding the Fourth Proportional to 110,692.67, 152,778.62 and 67,679.24

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Solution

The fourth proportional to 110,692.67, 152,778.62 and 67,679.24 is: 93,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,692.67 : 152,778.62 = 67,679.24 : x
  2. Step 2: Convert to fraction form
    110,692.67/152,778.62 = 67,679.24/x
  3. Step 3: Cross multiply
    110,692.67x = 152,778.62 × 67,679.24
  4. Step 4: Simplify right side
    110,692.67x = 10,339,940,295.15
  5. Step 5: Solve for x
    x = 10,339,940,295.15/110,692.67
  6. Step 6: Final answer
    x = 93,411.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.