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Finding the Fourth Proportional to 73,846.20, 110,769.30 and 54,017.40

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Solution

The fourth proportional to 73,846.20, 110,769.30 and 54,017.40 is: 81,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,846.20 : 110,769.30 = 54,017.40 : x
  2. Step 2: Convert to fraction form
    73,846.20/110,769.30 = 54,017.40/x
  3. Step 3: Cross multiply
    73,846.20x = 110,769.30 × 54,017.40
  4. Step 4: Simplify right side
    73,846.20x = 5,983,469,585.82
  5. Step 5: Solve for x
    x = 5,983,469,585.82/73,846.20
  6. Step 6: Final answer
    x = 81,026.10

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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.