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Finding the Fourth Proportional to 246,311.52, 339,909.39 and 133,134

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Solution

The fourth proportional to 246,311.52, 339,909.39 and 133,134 is: 183,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,311.52 : 339,909.39 = 133,134 : x
  2. Step 2: Convert to fraction form
    246,311.52/339,909.39 = 133,134/x
  3. Step 3: Cross multiply
    246,311.52x = 339,909.39 × 133,134
  4. Step 4: Simplify right side
    246,311.52x = 45,253,496,728.26
  5. Step 5: Solve for x
    x = 45,253,496,728.26/246,311.52
  6. Step 6: Final answer
    x = 183,724.65

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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.