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Finding the Fourth Proportional to 118,479.75, 177,747.71 and 35,375.91

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Solution

The fourth proportional to 118,479.75, 177,747.71 and 35,375.91 is: 53,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,479.75 : 177,747.71 = 35,375.91 : x
  2. Step 2: Convert to fraction form
    118,479.75/177,747.71 = 35,375.91/x
  3. Step 3: Cross multiply
    118,479.75x = 177,747.71 × 35,375.91
  4. Step 4: Simplify right side
    118,479.75x = 6,287,986,814.79
  5. Step 5: Solve for x
    x = 6,287,986,814.79/118,479.75
  6. Step 6: Final answer
    x = 53,072.25

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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.