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Finding the Fourth Proportional to 81,555.54, 122,241.11 and 44,032.02

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Solution

The fourth proportional to 81,555.54, 122,241.11 and 44,032.02 is: 65,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,555.54 : 122,241.11 = 44,032.02 : x
  2. Step 2: Convert to fraction form
    81,555.54/122,241.11 = 44,032.02/x
  3. Step 3: Cross multiply
    81,555.54x = 122,241.11 × 44,032.02
  4. Step 4: Simplify right side
    81,555.54x = 5,382,522,780.18
  5. Step 5: Solve for x
    x = 5,382,522,780.18/81,555.54
  6. Step 6: Final answer
    x = 65,998.25

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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.