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Finding the Fourth Proportional to 182,786.40, 274,179.60 and 159,458.40

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Solution

The fourth proportional to 182,786.40, 274,179.60 and 159,458.40 is: 239,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,786.40 : 274,179.60 = 159,458.40 : x
  2. Step 2: Convert to fraction form
    182,786.40/274,179.60 = 159,458.40/x
  3. Step 3: Cross multiply
    182,786.40x = 274,179.60 × 159,458.40
  4. Step 4: Simplify right side
    182,786.40x = 43,720,240,328.64
  5. Step 5: Solve for x
    x = 43,720,240,328.64/182,786.40
  6. Step 6: Final answer
    x = 239,187.60

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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.