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Finding the Fourth Proportional to 175,659.20, 263,488.80 and 163,908.80

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Solution

The fourth proportional to 175,659.20, 263,488.80 and 163,908.80 is: 245,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,659.20 : 263,488.80 = 163,908.80 : x
  2. Step 2: Convert to fraction form
    175,659.20/263,488.80 = 163,908.80/x
  3. Step 3: Cross multiply
    175,659.20x = 263,488.80 × 163,908.80
  4. Step 4: Simplify right side
    175,659.20x = 43,188,133,021.44
  5. Step 5: Solve for x
    x = 43,188,133,021.44/175,659.20
  6. Step 6: Final answer
    x = 245,863.20

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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.