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Finding the Fourth Proportional to 73,193.10, 109,794.45 and 20,604.30

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Solution

The fourth proportional to 73,193.10, 109,794.45 and 20,604.30 is: 30,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,193.10 : 109,794.45 = 20,604.30 : x
  2. Step 2: Convert to fraction form
    73,193.10/109,794.45 = 20,604.30/x
  3. Step 3: Cross multiply
    73,193.10x = 109,794.45 × 20,604.30
  4. Step 4: Simplify right side
    73,193.10x = 2,262,237,786.14
  5. Step 5: Solve for x
    x = 2,262,237,786.14/73,193.10
  6. Step 6: Final answer
    x = 30,907.80

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1.5x scale

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.