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Finding the Fourth Proportional to 179,712.60, 269,568.90 and 127,224.60

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Solution

The fourth proportional to 179,712.60, 269,568.90 and 127,224.60 is: 190,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,712.60 : 269,568.90 = 127,224.60 : x
  2. Step 2: Convert to fraction form
    179,712.60/269,568.90 = 127,224.60/x
  3. Step 3: Cross multiply
    179,712.60x = 269,568.90 × 127,224.60
  4. Step 4: Simplify right side
    179,712.60x = 34,295,795,474.94
  5. Step 5: Solve for x
    x = 34,295,795,474.94/179,712.60
  6. Step 6: Final answer
    x = 190,836.90

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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.