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Finding the Fourth Proportional to 222,506.80, 333,760.20 and 147,727.60

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Solution

The fourth proportional to 222,506.80, 333,760.20 and 147,727.60 is: 221,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,506.80 : 333,760.20 = 147,727.60 : x
  2. Step 2: Convert to fraction form
    222,506.80/333,760.20 = 147,727.60/x
  3. Step 3: Cross multiply
    222,506.80x = 333,760.20 × 147,727.60
  4. Step 4: Simplify right side
    222,506.80x = 49,305,593,321.52
  5. Step 5: Solve for x
    x = 49,305,593,321.52/222,506.80
  6. Step 6: Final answer
    x = 221,591.40

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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.