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Finding the Fourth Proportional to 439,093, 658,641.12 and 106,669

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Solution

The fourth proportional to 439,093, 658,641.12 and 106,669 is: 160,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,093 : 658,641.12 = 106,669 : x
  2. Step 2: Convert to fraction form
    439,093/658,641.12 = 106,669/x
  3. Step 3: Cross multiply
    439,093x = 658,641.12 × 106,669
  4. Step 4: Simplify right side
    439,093x = 70,256,589,629.28
  5. Step 5: Solve for x
    x = 70,256,589,629.28/439,093
  6. Step 6: Final answer
    x = 160,003.89

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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.