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Finding the Fourth Proportional to 322,337.85, 483,206.16 and 108,957.30

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Solution

The fourth proportional to 322,337.85, 483,206.16 and 108,957.30 is: 163,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,337.85 : 483,206.16 = 108,957.30 : x
  2. Step 2: Convert to fraction form
    322,337.85/483,206.16 = 108,957.30/x
  3. Step 3: Cross multiply
    322,337.85x = 483,206.16 × 108,957.30
  4. Step 4: Simplify right side
    322,337.85x = 52,648,836,120.94
  5. Step 5: Solve for x
    x = 52,648,836,120.94/322,337.85
  6. Step 6: Final answer
    x = 163,334.33

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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.