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Finding the Fourth Proportional to 220,599.16, 330,784.26 and 108,230.20

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Solution

The fourth proportional to 220,599.16, 330,784.26 and 108,230.20 is: 162,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,599.16 : 330,784.26 = 108,230.20 : x
  2. Step 2: Convert to fraction form
    220,599.16/330,784.26 = 108,230.20/x
  3. Step 3: Cross multiply
    220,599.16x = 330,784.26 × 108,230.20
  4. Step 4: Simplify right side
    220,599.16x = 35,800,846,616.65
  5. Step 5: Solve for x
    x = 35,800,846,616.65/220,599.16
  6. Step 6: Final answer
    x = 162,289.13

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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.