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Finding the Fourth Proportional to 54,018.90, 80,999.55 and 22,818.90

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Solution

The fourth proportional to 54,018.90, 80,999.55 and 22,818.90 is: 34,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.90 : 80,999.55 = 22,818.90 : x
  2. Step 2: Convert to fraction form
    54,018.90/80,999.55 = 22,818.90/x
  3. Step 3: Cross multiply
    54,018.90x = 80,999.55 × 22,818.90
  4. Step 4: Simplify right side
    54,018.90x = 1,848,320,631.50
  5. Step 5: Solve for x
    x = 1,848,320,631.50/54,018.90
  6. Step 6: Final answer
    x = 34,216.18

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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.