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Finding the Fourth Proportional to 73,400.80, 110,101.20 and 54,811.30

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Solution

The fourth proportional to 73,400.80, 110,101.20 and 54,811.30 is: 82,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,400.80 : 110,101.20 = 54,811.30 : x
  2. Step 2: Convert to fraction form
    73,400.80/110,101.20 = 54,811.30/x
  3. Step 3: Cross multiply
    73,400.80x = 110,101.20 × 54,811.30
  4. Step 4: Simplify right side
    73,400.80x = 6,034,789,903.56
  5. Step 5: Solve for x
    x = 6,034,789,903.56/73,400.80
  6. Step 6: Final answer
    x = 82,216.95

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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.