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Finding the Fourth Proportional to 356,080.41, 534,120.60 and 119,422.41

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Solution

The fourth proportional to 356,080.41, 534,120.60 and 119,422.41 is: 179,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,080.41 : 534,120.60 = 119,422.41 : x
  2. Step 2: Convert to fraction form
    356,080.41/534,120.60 = 119,422.41/x
  3. Step 3: Cross multiply
    356,080.41x = 534,120.60 × 119,422.41
  4. Step 4: Simplify right side
    356,080.41x = 63,785,969,282.65
  5. Step 5: Solve for x
    x = 63,785,969,282.65/356,080.41
  6. Step 6: Final answer
    x = 179,133.61

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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.