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Finding the Fourth Proportional to 81,468.52, 122,100.72 and 44,027.08

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Solution

The fourth proportional to 81,468.52, 122,100.72 and 44,027.08 is: 65,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,468.52 : 122,100.72 = 44,027.08 : x
  2. Step 2: Convert to fraction form
    81,468.52/122,100.72 = 44,027.08/x
  3. Step 3: Cross multiply
    81,468.52x = 122,100.72 × 44,027.08
  4. Step 4: Simplify right side
    81,468.52x = 5,375,738,167.50
  5. Step 5: Solve for x
    x = 5,375,738,167.50/81,468.52
  6. Step 6: Final answer
    x = 65,985.46

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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.