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Finding the Fourth Proportional to 54,007.30, 80,865.15 and 54,007.30

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Solution

The fourth proportional to 54,007.30, 80,865.15 and 54,007.30 is: 80,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,007.30 : 80,865.15 = 54,007.30 : x
  2. Step 2: Convert to fraction form
    54,007.30/80,865.15 = 54,007.30/x
  3. Step 3: Cross multiply
    54,007.30x = 80,865.15 × 54,007.30
  4. Step 4: Simplify right side
    54,007.30x = 4,367,308,415.60
  5. Step 5: Solve for x
    x = 4,367,308,415.60/54,007.30
  6. Step 6: Final answer
    x = 80,865.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.