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Finding the Fourth Proportional to 322,892.30, 484,380.77 and 106,679.20

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Solution

The fourth proportional to 322,892.30, 484,380.77 and 106,679.20 is: 160,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,892.30 : 484,380.77 = 106,679.20 : x
  2. Step 2: Convert to fraction form
    322,892.30/484,380.77 = 106,679.20/x
  3. Step 3: Cross multiply
    322,892.30x = 484,380.77 × 106,679.20
  4. Step 4: Simplify right side
    322,892.30x = 51,673,353,038.98
  5. Step 5: Solve for x
    x = 51,673,353,038.98/322,892.30
  6. Step 6: Final answer
    x = 160,032.78

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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.