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Finding the Fourth Proportional to 149,331.20, 223,996.80 and 55,824.80

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Solution

The fourth proportional to 149,331.20, 223,996.80 and 55,824.80 is: 83,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,331.20 : 223,996.80 = 55,824.80 : x
  2. Step 2: Convert to fraction form
    149,331.20/223,996.80 = 55,824.80/x
  3. Step 3: Cross multiply
    149,331.20x = 223,996.80 × 55,824.80
  4. Step 4: Simplify right side
    149,331.20x = 12,504,576,560.64
  5. Step 5: Solve for x
    x = 12,504,576,560.64/149,331.20
  6. Step 6: Final answer
    x = 83,737.20

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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.