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Finding the Fourth Proportional to 84,793.33, 127,192.70 and 42,650.39

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Solution

The fourth proportional to 84,793.33, 127,192.70 and 42,650.39 is: 63,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,793.33 : 127,192.70 = 42,650.39 : x
  2. Step 2: Convert to fraction form
    84,793.33/127,192.70 = 42,650.39/x
  3. Step 3: Cross multiply
    84,793.33x = 127,192.70 × 42,650.39
  4. Step 4: Simplify right side
    84,793.33x = 5,424,818,046.90
  5. Step 5: Solve for x
    x = 5,424,818,046.90/84,793.33
  6. Step 6: Final answer
    x = 63,976.95

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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.