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Finding the Fourth Proportional to 118,790.52, 178,183.87 and 28,833.97

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Solution

The fourth proportional to 118,790.52, 178,183.87 and 28,833.97 is: 43,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,790.52 : 178,183.87 = 28,833.97 : x
  2. Step 2: Convert to fraction form
    118,790.52/178,183.87 = 28,833.97/x
  3. Step 3: Cross multiply
    118,790.52x = 178,183.87 × 28,833.97
  4. Step 4: Simplify right side
    118,790.52x = 5,137,748,814.78
  5. Step 5: Solve for x
    x = 5,137,748,814.78/118,790.52
  6. Step 6: Final answer
    x = 43,250.49

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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.