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Finding the Fourth Proportional to 323,140.04, 484,408.60 and 109,761.96

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Solution

The fourth proportional to 323,140.04, 484,408.60 and 109,761.96 is: 164,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,140.04 : 484,408.60 = 109,761.96 : x
  2. Step 2: Convert to fraction form
    323,140.04/484,408.60 = 109,761.96/x
  3. Step 3: Cross multiply
    323,140.04x = 484,408.60 × 109,761.96
  4. Step 4: Simplify right side
    323,140.04x = 53,169,636,828.05
  5. Step 5: Solve for x
    x = 53,169,636,828.05/323,140.04
  6. Step 6: Final answer
    x = 164,540.54

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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.