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Finding the Fourth Proportional to 246,043.70, 369,080.13 and 77,569.37

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Solution

The fourth proportional to 246,043.70, 369,080.13 and 77,569.37 is: 116,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,043.70 : 369,080.13 = 77,569.37 : x
  2. Step 2: Convert to fraction form
    246,043.70/369,080.13 = 77,569.37/x
  3. Step 3: Cross multiply
    246,043.70x = 369,080.13 × 77,569.37
  4. Step 4: Simplify right side
    246,043.70x = 28,629,313,163.62
  5. Step 5: Solve for x
    x = 28,629,313,163.62/246,043.70
  6. Step 6: Final answer
    x = 116,358.65

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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.