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Finding the Fourth Proportional to 246,415.87, 369,660.17 and 77,897.94

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Solution

The fourth proportional to 246,415.87, 369,660.17 and 77,897.94 is: 116,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,415.87 : 369,660.17 = 77,897.94 : x
  2. Step 2: Convert to fraction form
    246,415.87/369,660.17 = 77,897.94/x
  3. Step 3: Cross multiply
    246,415.87x = 369,660.17 × 77,897.94
  4. Step 4: Simplify right side
    246,415.87x = 28,795,764,551.57
  5. Step 5: Solve for x
    x = 28,795,764,551.57/246,415.87
  6. Step 6: Final answer
    x = 116,858.40

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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.