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Finding the Fourth Proportional to 118,651.32, 177,992.46 and 43,823.88

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Solution

The fourth proportional to 118,651.32, 177,992.46 and 43,823.88 is: 65,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,651.32 : 177,992.46 = 43,823.88 : x
  2. Step 2: Convert to fraction form
    118,651.32/177,992.46 = 43,823.88/x
  3. Step 3: Cross multiply
    118,651.32x = 177,992.46 × 43,823.88
  4. Step 4: Simplify right side
    118,651.32x = 7,800,320,207.94
  5. Step 5: Solve for x
    x = 7,800,320,207.94/118,651.32
  6. Step 6: Final answer
    x = 65,741.54

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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.