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Finding the Fourth Proportional to 361,635.36, 542,489.49 and 95,414.28

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Solution

The fourth proportional to 361,635.36, 542,489.49 and 95,414.28 is: 143,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,635.36 : 542,489.49 = 95,414.28 : x
  2. Step 2: Convert to fraction form
    361,635.36/542,489.49 = 95,414.28/x
  3. Step 3: Cross multiply
    361,635.36x = 542,489.49 × 95,414.28
  4. Step 4: Simplify right side
    361,635.36x = 51,761,244,095.92
  5. Step 5: Solve for x
    x = 51,761,244,095.92/361,635.36
  6. Step 6: Final answer
    x = 143,131.04

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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.