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Finding the Fourth Proportional to 323,676.89, 485,524.56 and 99,032.36

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Solution

The fourth proportional to 323,676.89, 485,524.56 and 99,032.36 is: 148,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,676.89 : 485,524.56 = 99,032.36 : x
  2. Step 2: Convert to fraction form
    323,676.89/485,524.56 = 99,032.36/x
  3. Step 3: Cross multiply
    323,676.89x = 485,524.56 × 99,032.36
  4. Step 4: Simplify right side
    323,676.89x = 48,082,640,958.51
  5. Step 5: Solve for x
    x = 48,082,640,958.51/323,676.89
  6. Step 6: Final answer
    x = 148,551.35

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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.