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Finding the Fourth Proportional to 339,045.12, 467,884.08 and 188,142.12

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Solution

The fourth proportional to 339,045.12, 467,884.08 and 188,142.12 is: 259,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,045.12 : 467,884.08 = 188,142.12 : x
  2. Step 2: Convert to fraction form
    339,045.12/467,884.08 = 188,142.12/x
  3. Step 3: Cross multiply
    339,045.12x = 467,884.08 × 188,142.12
  4. Step 4: Simplify right side
    339,045.12x = 88,028,702,725.45
  5. Step 5: Solve for x
    x = 88,028,702,725.45/339,045.12
  6. Step 6: Final answer
    x = 259,637.13

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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.