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Finding the Fourth Proportional to 179,080.80, 268,621.20 and 126,592.80

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Solution

The fourth proportional to 179,080.80, 268,621.20 and 126,592.80 is: 189,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,080.80 : 268,621.20 = 126,592.80 : x
  2. Step 2: Convert to fraction form
    179,080.80/268,621.20 = 126,592.80/x
  3. Step 3: Cross multiply
    179,080.80x = 268,621.20 × 126,592.80
  4. Step 4: Simplify right side
    179,080.80x = 34,005,509,847.36
  5. Step 5: Solve for x
    x = 34,005,509,847.36/179,080.80
  6. Step 6: Final answer
    x = 189,889.20

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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.