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Finding the Fourth Proportional to 339,029.16, 467,882.11 and 188,126.16

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Solution

The fourth proportional to 339,029.16, 467,882.11 and 188,126.16 is: 259,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,029.16 : 467,882.11 = 188,126.16 : x
  2. Step 2: Convert to fraction form
    339,029.16/467,882.11 = 188,126.16/x
  3. Step 3: Cross multiply
    339,029.16x = 467,882.11 × 188,126.16
  4. Step 4: Simplify right side
    339,029.16x = 88,020,863,167.60
  5. Step 5: Solve for x
    x = 88,020,863,167.60/339,029.16
  6. Step 6: Final answer
    x = 259,626.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.