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Finding the Fourth Proportional to 356,836.14, 535,201.92 and 104,048.73

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Solution

The fourth proportional to 356,836.14, 535,201.92 and 104,048.73 is: 156,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,836.14 : 535,201.92 = 104,048.73 : x
  2. Step 2: Convert to fraction form
    356,836.14/535,201.92 = 104,048.73/x
  3. Step 3: Cross multiply
    356,836.14x = 535,201.92 × 104,048.73
  4. Step 4: Simplify right side
    356,836.14x = 55,687,080,069.56
  5. Step 5: Solve for x
    x = 55,687,080,069.56/356,836.14
  6. Step 6: Final answer
    x = 156,057.85

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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.