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Finding the Fourth Proportional to 277,488.52, 416,064.21 and 108,806.75

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Solution

The fourth proportional to 277,488.52, 416,064.21 and 108,806.75 is: 163,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,488.52 : 416,064.21 = 108,806.75 : x
  2. Step 2: Convert to fraction form
    277,488.52/416,064.21 = 108,806.75/x
  3. Step 3: Cross multiply
    277,488.52x = 416,064.21 × 108,806.75
  4. Step 4: Simplify right side
    277,488.52x = 45,270,594,481.42
  5. Step 5: Solve for x
    x = 45,270,594,481.42/277,488.52
  6. Step 6: Final answer
    x = 163,144.03

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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.