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Finding the Fourth Proportional to 113,321.40, 169,834.24 and 46,694.44

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Solution

The fourth proportional to 113,321.40, 169,834.24 and 46,694.44 is: 69,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,321.40 : 169,834.24 = 46,694.44 : x
  2. Step 2: Convert to fraction form
    113,321.40/169,834.24 = 46,694.44/x
  3. Step 3: Cross multiply
    113,321.40x = 169,834.24 × 46,694.44
  4. Step 4: Simplify right side
    113,321.40x = 7,930,314,729.63
  5. Step 5: Solve for x
    x = 7,930,314,729.63/113,321.40
  6. Step 6: Final answer
    x = 69,980.73

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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.