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Finding the Fourth Proportional to 179,694.40, 269,541.60 and 123,707.20

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Solution

The fourth proportional to 179,694.40, 269,541.60 and 123,707.20 is: 185,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,694.40 : 269,541.60 = 123,707.20 : x
  2. Step 2: Convert to fraction form
    179,694.40/269,541.60 = 123,707.20/x
  3. Step 3: Cross multiply
    179,694.40x = 269,541.60 × 123,707.20
  4. Step 4: Simplify right side
    179,694.40x = 33,344,236,619.52
  5. Step 5: Solve for x
    x = 33,344,236,619.52/179,694.40
  6. Step 6: Final answer
    x = 185,560.80

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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.