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Finding the Fourth Proportional to 203,002.20, 303,920.10 and 124,270.20

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Solution

The fourth proportional to 203,002.20, 303,920.10 and 124,270.20 is: 186,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,002.20 : 303,920.10 = 124,270.20 : x
  2. Step 2: Convert to fraction form
    203,002.20/303,920.10 = 124,270.20/x
  3. Step 3: Cross multiply
    203,002.20x = 303,920.10 × 124,270.20
  4. Step 4: Simplify right side
    203,002.20x = 37,768,211,611.02
  5. Step 5: Solve for x
    x = 37,768,211,611.02/203,002.20
  6. Step 6: Final answer
    x = 186,048.29

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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.