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Finding the Fourth Proportional to 201,062.20, 301,593.30 and 122,200.60

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Solution

The fourth proportional to 201,062.20, 301,593.30 and 122,200.60 is: 183,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,062.20 : 301,593.30 = 122,200.60 : x
  2. Step 2: Convert to fraction form
    201,062.20/301,593.30 = 122,200.60/x
  3. Step 3: Cross multiply
    201,062.20x = 301,593.30 × 122,200.60
  4. Step 4: Simplify right side
    201,062.20x = 36,854,882,215.98
  5. Step 5: Solve for x
    x = 36,854,882,215.98/201,062.20
  6. Step 6: Final answer
    x = 183,300.90

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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.