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Finding the Fourth Proportional to 246,379.59, 369,625.05 and 77,910.12

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Solution

The fourth proportional to 246,379.59, 369,625.05 and 77,910.12 is: 116,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,379.59 : 369,625.05 = 77,910.12 : x
  2. Step 2: Convert to fraction form
    246,379.59/369,625.05 = 77,910.12/x
  3. Step 3: Cross multiply
    246,379.59x = 369,625.05 × 77,910.12
  4. Step 4: Simplify right side
    246,379.59x = 28,797,532,000.51
  5. Step 5: Solve for x
    x = 28,797,532,000.51/246,379.59
  6. Step 6: Final answer
    x = 116,882.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.