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Finding the Fourth Proportional to 69,830.20, 104,745.30 and 32,966.20

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Solution

The fourth proportional to 69,830.20, 104,745.30 and 32,966.20 is: 49,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,830.20 : 104,745.30 = 32,966.20 : x
  2. Step 2: Convert to fraction form
    69,830.20/104,745.30 = 32,966.20/x
  3. Step 3: Cross multiply
    69,830.20x = 104,745.30 × 32,966.20
  4. Step 4: Simplify right side
    69,830.20x = 3,453,054,508.86
  5. Step 5: Solve for x
    x = 3,453,054,508.86/69,830.20
  6. Step 6: Final answer
    x = 49,449.30

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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.