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Finding the Fourth Proportional to 159,644.80, 239,467.20 and 41,315.20

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Solution

The fourth proportional to 159,644.80, 239,467.20 and 41,315.20 is: 61,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,644.80 : 239,467.20 = 41,315.20 : x
  2. Step 2: Convert to fraction form
    159,644.80/239,467.20 = 41,315.20/x
  3. Step 3: Cross multiply
    159,644.80x = 239,467.20 × 41,315.20
  4. Step 4: Simplify right side
    159,644.80x = 9,893,635,261.44
  5. Step 5: Solve for x
    x = 9,893,635,261.44/159,644.80
  6. Step 6: Final answer
    x = 61,972.80

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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.