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Finding the Fourth Proportional to 203,636.03, 305,497.98 and 61,469.48

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Solution

The fourth proportional to 203,636.03, 305,497.98 and 61,469.48 is: 92,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,636.03 : 305,497.98 = 61,469.48 : x
  2. Step 2: Convert to fraction form
    203,636.03/305,497.98 = 61,469.48/x
  3. Step 3: Cross multiply
    203,636.03x = 305,497.98 × 61,469.48
  4. Step 4: Simplify right side
    203,636.03x = 18,778,802,735.40
  5. Step 5: Solve for x
    x = 18,778,802,735.40/203,636.03
  6. Step 6: Final answer
    x = 92,217.49

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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.