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Finding the Fourth Proportional to 339,159.15, 467,877.87 and 203,127.75

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Solution

The fourth proportional to 339,159.15, 467,877.87 and 203,127.75 is: 280,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,159.15 : 467,877.87 = 203,127.75 : x
  2. Step 2: Convert to fraction form
    339,159.15/467,877.87 = 203,127.75/x
  3. Step 3: Cross multiply
    339,159.15x = 467,877.87 × 203,127.75
  4. Step 4: Simplify right side
    339,159.15x = 95,038,979,007.89
  5. Step 5: Solve for x
    x = 95,038,979,007.89/339,159.15
  6. Step 6: Final answer
    x = 280,219.42

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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.