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Finding the Fourth Proportional to 201,214.20, 301,821.30 and 60,954.60

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Solution

The fourth proportional to 201,214.20, 301,821.30 and 60,954.60 is: 91,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,214.20 : 301,821.30 = 60,954.60 : x
  2. Step 2: Convert to fraction form
    201,214.20/301,821.30 = 60,954.60/x
  3. Step 3: Cross multiply
    201,214.20x = 301,821.30 × 60,954.60
  4. Step 4: Simplify right side
    201,214.20x = 18,397,396,612.98
  5. Step 5: Solve for x
    x = 18,397,396,612.98/201,214.20
  6. Step 6: Final answer
    x = 91,431.90

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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.