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Finding the Fourth Proportional to 182,604.20, 274,187.90 and 99,660.20

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Solution

The fourth proportional to 182,604.20, 274,187.90 and 99,660.20 is: 149,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,604.20 : 274,187.90 = 99,660.20 : x
  2. Step 2: Convert to fraction form
    182,604.20/274,187.90 = 99,660.20/x
  3. Step 3: Cross multiply
    182,604.20x = 274,187.90 × 99,660.20
  4. Step 4: Simplify right side
    182,604.20x = 27,325,620,951.58
  5. Step 5: Solve for x
    x = 27,325,620,951.58/182,604.20
  6. Step 6: Final answer
    x = 149,643.99

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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.