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Finding the Fourth Proportional to 54,744.60, 82,116.90 and 54,226.20

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Solution

The fourth proportional to 54,744.60, 82,116.90 and 54,226.20 is: 81,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,744.60 : 82,116.90 = 54,226.20 : x
  2. Step 2: Convert to fraction form
    54,744.60/82,116.90 = 54,226.20/x
  3. Step 3: Cross multiply
    54,744.60x = 82,116.90 × 54,226.20
  4. Step 4: Simplify right side
    54,744.60x = 4,452,887,442.78
  5. Step 5: Solve for x
    x = 4,452,887,442.78/54,744.60
  6. Step 6: Final answer
    x = 81,339.30

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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.