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Finding the Fourth Proportional to 363,968.43, 545,932.74 and 111,248.82

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Solution

The fourth proportional to 363,968.43, 545,932.74 and 111,248.82 is: 166,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,968.43 : 545,932.74 = 111,248.82 : x
  2. Step 2: Convert to fraction form
    363,968.43/545,932.74 = 111,248.82/x
  3. Step 3: Cross multiply
    363,968.43x = 545,932.74 × 111,248.82
  4. Step 4: Simplify right side
    363,968.43x = 60,734,373,124.37
  5. Step 5: Solve for x
    x = 60,734,373,124.37/363,968.43
  6. Step 6: Final answer
    x = 166,867.15

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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.