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Finding the Fourth Proportional to 147,794.63, 203,957.39 and 80,726.63

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Solution

The fourth proportional to 147,794.63, 203,957.39 and 80,726.63 is: 111,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,794.63 : 203,957.39 = 80,726.63 : x
  2. Step 2: Convert to fraction form
    147,794.63/203,957.39 = 80,726.63/x
  3. Step 3: Cross multiply
    147,794.63x = 203,957.39 × 80,726.63
  4. Step 4: Simplify right side
    147,794.63x = 16,464,791,940.33
  5. Step 5: Solve for x
    x = 16,464,791,940.33/147,794.63
  6. Step 6: Final answer
    x = 111,403.18

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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.