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Finding the Fourth Proportional to 159,474.80, 239,244.60 and 54,304.40

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Solution

The fourth proportional to 159,474.80, 239,244.60 and 54,304.40 is: 81,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,474.80 : 239,244.60 = 54,304.40 : x
  2. Step 2: Convert to fraction form
    159,474.80/239,244.60 = 54,304.40/x
  3. Step 3: Cross multiply
    159,474.80x = 239,244.60 × 54,304.40
  4. Step 4: Simplify right side
    159,474.80x = 12,992,034,456.24
  5. Step 5: Solve for x
    x = 12,992,034,456.24/159,474.80
  6. Step 6: Final answer
    x = 81,467.63

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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.