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Finding the Fourth Proportional to 363,422.79, 545,161.86 and 110,724.85

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Solution

The fourth proportional to 363,422.79, 545,161.86 and 110,724.85 is: 166,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,422.79 : 545,161.86 = 110,724.85 : x
  2. Step 2: Convert to fraction form
    363,422.79/545,161.86 = 110,724.85/x
  3. Step 3: Cross multiply
    363,422.79x = 545,161.86 × 110,724.85
  4. Step 4: Simplify right side
    363,422.79x = 60,362,964,555.96
  5. Step 5: Solve for x
    x = 60,362,964,555.96/363,422.79
  6. Step 6: Final answer
    x = 166,095.71

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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.