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Finding the Fourth Proportional to 246,321.36, 369,479.82 and 77,841.72

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Solution

The fourth proportional to 246,321.36, 369,479.82 and 77,841.72 is: 116,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,321.36 : 369,479.82 = 77,841.72 : x
  2. Step 2: Convert to fraction form
    246,321.36/369,479.82 = 77,841.72/x
  3. Step 3: Cross multiply
    246,321.36x = 369,479.82 × 77,841.72
  4. Step 4: Simplify right side
    246,321.36x = 28,760,944,694.09
  5. Step 5: Solve for x
    x = 28,760,944,694.09/246,321.36
  6. Step 6: Final answer
    x = 116,761.88

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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.