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Finding the Fourth Proportional to 117,445.86, 176,136.39 and 33,199.38

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Solution

The fourth proportional to 117,445.86, 176,136.39 and 33,199.38 is: 49,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,445.86 : 176,136.39 = 33,199.38 : x
  2. Step 2: Convert to fraction form
    117,445.86/176,136.39 = 33,199.38/x
  3. Step 3: Cross multiply
    117,445.86x = 176,136.39 × 33,199.38
  4. Step 4: Simplify right side
    117,445.86x = 5,847,618,943.44
  5. Step 5: Solve for x
    x = 5,847,618,943.44/117,445.86
  6. Step 6: Final answer
    x = 49,789.91

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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.