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Finding the Fourth Proportional to 54,286.60, 81,300.30 and 54,286.60

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Solution

The fourth proportional to 54,286.60, 81,300.30 and 54,286.60 is: 81,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.60 : 81,300.30 = 54,286.60 : x
  2. Step 2: Convert to fraction form
    54,286.60/81,300.30 = 54,286.60/x
  3. Step 3: Cross multiply
    54,286.60x = 81,300.30 × 54,286.60
  4. Step 4: Simplify right side
    54,286.60x = 4,413,516,865.98
  5. Step 5: Solve for x
    x = 4,413,516,865.98/54,286.60
  6. Step 6: Final answer
    x = 81,300.30

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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.