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Finding the Fourth Proportional to 246,770.62, 340,543.41 and 137,874.97

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Solution

The fourth proportional to 246,770.62, 340,543.41 and 137,874.97 is: 190,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,770.62 : 340,543.41 = 137,874.97 : x
  2. Step 2: Convert to fraction form
    246,770.62/340,543.41 = 137,874.97/x
  3. Step 3: Cross multiply
    246,770.62x = 340,543.41 × 137,874.97
  4. Step 4: Simplify right side
    246,770.62x = 46,952,412,437.45
  5. Step 5: Solve for x
    x = 46,952,412,437.45/246,770.62
  6. Step 6: Final answer
    x = 190,267.43

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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.