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Finding the Fourth Proportional to 149,062.80, 223,517.40 and 55,520.40

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Solution

The fourth proportional to 149,062.80, 223,517.40 and 55,520.40 is: 83,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,062.80 : 223,517.40 = 55,520.40 : x
  2. Step 2: Convert to fraction form
    149,062.80/223,517.40 = 55,520.40/x
  3. Step 3: Cross multiply
    149,062.80x = 223,517.40 × 55,520.40
  4. Step 4: Simplify right side
    149,062.80x = 12,409,775,454.96
  5. Step 5: Solve for x
    x = 12,409,775,454.96/149,062.80
  6. Step 6: Final answer
    x = 83,251.99

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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.