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Finding the Fourth Proportional to 159,554.26, 239,359.78 and 52,944.61

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Solution

The fourth proportional to 159,554.26, 239,359.78 and 52,944.61 is: 79,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,554.26 : 239,359.78 = 52,944.61 : x
  2. Step 2: Convert to fraction form
    159,554.26/239,359.78 = 52,944.61/x
  3. Step 3: Cross multiply
    159,554.26x = 239,359.78 × 52,944.61
  4. Step 4: Simplify right side
    159,554.26x = 12,672,810,940.47
  5. Step 5: Solve for x
    x = 12,672,810,940.47/159,554.26
  6. Step 6: Final answer
    x = 79,426.34

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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.