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Finding the Fourth Proportional to 122,761.56, 184,010.04 and 59,447.64

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Solution

The fourth proportional to 122,761.56, 184,010.04 and 59,447.64 is: 89,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,761.56 : 184,010.04 = 59,447.64 : x
  2. Step 2: Convert to fraction form
    122,761.56/184,010.04 = 59,447.64/x
  3. Step 3: Cross multiply
    122,761.56x = 184,010.04 × 59,447.64
  4. Step 4: Simplify right side
    122,761.56x = 10,938,962,614.31
  5. Step 5: Solve for x
    x = 10,938,962,614.31/122,761.56
  6. Step 6: Final answer
    x = 89,107.39

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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.