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Finding the Fourth Proportional to 106,449.34, 159,493.25 and 64,240.73

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Solution

The fourth proportional to 106,449.34, 159,493.25 and 64,240.73 is: 96,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,449.34 : 159,493.25 = 64,240.73 : x
  2. Step 2: Convert to fraction form
    106,449.34/159,493.25 = 64,240.73/x
  3. Step 3: Cross multiply
    106,449.34x = 159,493.25 × 64,240.73
  4. Step 4: Simplify right side
    106,449.34x = 10,245,962,488.87
  5. Step 5: Solve for x
    x = 10,245,962,488.87/106,449.34
  6. Step 6: Final answer
    x = 96,252.01

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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.