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Finding the Fourth Proportional to 159,520.43, 239,054.88 and 88,474.34

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Solution

The fourth proportional to 159,520.43, 239,054.88 and 88,474.34 is: 132,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,520.43 : 239,054.88 = 88,474.34 : x
  2. Step 2: Convert to fraction form
    159,520.43/239,054.88 = 88,474.34/x
  3. Step 3: Cross multiply
    159,520.43x = 239,054.88 × 88,474.34
  4. Step 4: Simplify right side
    159,520.43x = 21,150,222,731.78
  5. Step 5: Solve for x
    x = 21,150,222,731.78/159,520.43
  6. Step 6: Final answer
    x = 132,586.29

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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.