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Finding the Fourth Proportional to 363,423.92, 545,163.55 and 110,725.98

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Solution

The fourth proportional to 363,423.92, 545,163.55 and 110,725.98 is: 166,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,423.92 : 545,163.55 = 110,725.98 : x
  2. Step 2: Convert to fraction form
    363,423.92/545,163.55 = 110,725.98/x
  3. Step 3: Cross multiply
    363,423.92x = 545,163.55 × 110,725.98
  4. Step 4: Simplify right side
    363,423.92x = 60,363,766,012.85
  5. Step 5: Solve for x
    x = 60,363,766,012.85/363,423.92
  6. Step 6: Final answer
    x = 166,097.40

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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.