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Finding the Fourth Proportional to 84,782.94, 127,262.97 and 62,621.34

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Solution

The fourth proportional to 84,782.94, 127,262.97 and 62,621.34 is: 93,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,782.94 : 127,262.97 = 62,621.34 : x
  2. Step 2: Convert to fraction form
    84,782.94/127,262.97 = 62,621.34/x
  3. Step 3: Cross multiply
    84,782.94x = 127,262.97 × 62,621.34
  4. Step 4: Simplify right side
    84,782.94x = 7,969,377,713.78
  5. Step 5: Solve for x
    x = 7,969,377,713.78/84,782.94
  6. Step 6: Final answer
    x = 93,997.42

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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.