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Finding the Fourth Proportional to 175,226.60, 262,839.90 and 119,930.60

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Solution

The fourth proportional to 175,226.60, 262,839.90 and 119,930.60 is: 179,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,226.60 : 262,839.90 = 119,930.60 : x
  2. Step 2: Convert to fraction form
    175,226.60/262,839.90 = 119,930.60/x
  3. Step 3: Cross multiply
    175,226.60x = 262,839.90 × 119,930.60
  4. Step 4: Simplify right side
    175,226.60x = 31,522,546,910.94
  5. Step 5: Solve for x
    x = 31,522,546,910.94/175,226.60
  6. Step 6: Final answer
    x = 179,895.90

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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.