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Finding the Fourth Proportional to 133,350.20, 200,025.30 and 54,412.60

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Solution

The fourth proportional to 133,350.20, 200,025.30 and 54,412.60 is: 81,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,350.20 : 200,025.30 = 54,412.60 : x
  2. Step 2: Convert to fraction form
    133,350.20/200,025.30 = 54,412.60/x
  3. Step 3: Cross multiply
    133,350.20x = 200,025.30 × 54,412.60
  4. Step 4: Simplify right side
    133,350.20x = 10,883,896,638.78
  5. Step 5: Solve for x
    x = 10,883,896,638.78/133,350.20
  6. Step 6: Final answer
    x = 81,618.90

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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.