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Finding the Fourth Proportional to 106,367.34, 146,786.91 and 63,925.88

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Solution

The fourth proportional to 106,367.34, 146,786.91 and 63,925.88 is: 88,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,367.34 : 146,786.91 = 63,925.88 : x
  2. Step 2: Convert to fraction form
    106,367.34/146,786.91 = 63,925.88/x
  3. Step 3: Cross multiply
    106,367.34x = 146,786.91 × 63,925.88
  4. Step 4: Simplify right side
    106,367.34x = 9,383,481,660.30
  5. Step 5: Solve for x
    x = 9,383,481,660.30/106,367.34
  6. Step 6: Final answer
    x = 88,217.70

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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.