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Finding the Fourth Proportional to 192,166.20, 288,249.30 and 103,592.70

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Solution

The fourth proportional to 192,166.20, 288,249.30 and 103,592.70 is: 155,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,166.20 : 288,249.30 = 103,592.70 : x
  2. Step 2: Convert to fraction form
    192,166.20/288,249.30 = 103,592.70/x
  3. Step 3: Cross multiply
    192,166.20x = 288,249.30 × 103,592.70
  4. Step 4: Simplify right side
    192,166.20x = 29,860,523,260.11
  5. Step 5: Solve for x
    x = 29,860,523,260.11/192,166.20
  6. Step 6: Final answer
    x = 155,389.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.