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Finding the Fourth Proportional to 361,219.70, 541,855.51 and 124,558.96

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Solution

The fourth proportional to 361,219.70, 541,855.51 and 124,558.96 is: 186,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,219.70 : 541,855.51 = 124,558.96 : x
  2. Step 2: Convert to fraction form
    361,219.70/541,855.51 = 124,558.96/x
  3. Step 3: Cross multiply
    361,219.70x = 541,855.51 × 124,558.96
  4. Step 4: Simplify right side
    361,219.70x = 67,492,957,129.83
  5. Step 5: Solve for x
    x = 67,492,957,129.83/361,219.70
  6. Step 6: Final answer
    x = 186,847.39

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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.