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Finding the Fourth Proportional to 159,676.40, 239,514.56 and 54,495.36

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Solution

The fourth proportional to 159,676.40, 239,514.56 and 54,495.36 is: 81,743.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,676.40 : 239,514.56 = 54,495.36 : x
  2. Step 2: Convert to fraction form
    159,676.40/239,514.56 = 54,495.36/x
  3. Step 3: Cross multiply
    159,676.40x = 239,514.56 × 54,495.36
  4. Step 4: Simplify right side
    159,676.40x = 13,052,432,172.44
  5. Step 5: Solve for x
    x = 13,052,432,172.44/159,676.40
  6. Step 6: Final answer
    x = 81,743.03

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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.