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Finding the Fourth Proportional to 185,594.33, 256,120.86 and 100,711.39

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Solution

The fourth proportional to 185,594.33, 256,120.86 and 100,711.39 is: 138,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,594.33 : 256,120.86 = 100,711.39 : x
  2. Step 2: Convert to fraction form
    185,594.33/256,120.86 = 100,711.39/x
  3. Step 3: Cross multiply
    185,594.33x = 256,120.86 × 100,711.39
  4. Step 4: Simplify right side
    185,594.33x = 25,794,287,818.60
  5. Step 5: Solve for x
    x = 25,794,287,818.60/185,594.33
  6. Step 6: Final answer
    x = 138,982.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.