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Finding the Fourth Proportional to 231,846.39, 347,729.43 and 69,738.09

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Solution

The fourth proportional to 231,846.39, 347,729.43 and 69,738.09 is: 104,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,846.39 : 347,729.43 = 69,738.09 : x
  2. Step 2: Convert to fraction form
    231,846.39/347,729.43 = 69,738.09/x
  3. Step 3: Cross multiply
    231,846.39x = 347,729.43 × 69,738.09
  4. Step 4: Simplify right side
    231,846.39x = 24,249,986,284.99
  5. Step 5: Solve for x
    x = 24,249,986,284.99/231,846.39
  6. Step 6: Final answer
    x = 104,595.06

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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.