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Finding the Fourth Proportional to 179,628.40, 269,734.20 and 100,896.40

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Solution

The fourth proportional to 179,628.40, 269,734.20 and 100,896.40 is: 151,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,628.40 : 269,734.20 = 100,896.40 : x
  2. Step 2: Convert to fraction form
    179,628.40/269,734.20 = 100,896.40/x
  3. Step 3: Cross multiply
    179,628.40x = 269,734.20 × 100,896.40
  4. Step 4: Simplify right side
    179,628.40x = 27,215,209,736.88
  5. Step 5: Solve for x
    x = 27,215,209,736.88/179,628.40
  6. Step 6: Final answer
    x = 151,508.39

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1.5x scale

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.