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Finding the Fourth Proportional to 361,410.21, 542,141.94 and 95,168.88

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Solution

The fourth proportional to 361,410.21, 542,141.94 and 95,168.88 is: 142,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,410.21 : 542,141.94 = 95,168.88 : x
  2. Step 2: Convert to fraction form
    361,410.21/542,141.94 = 95,168.88/x
  3. Step 3: Cross multiply
    361,410.21x = 542,141.94 × 95,168.88
  4. Step 4: Simplify right side
    361,410.21x = 51,595,041,230.83
  5. Step 5: Solve for x
    x = 51,595,041,230.83/361,410.21
  6. Step 6: Final answer
    x = 142,760.33

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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.