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Finding the Fourth Proportional to 122,694.72, 184,075.60 and 43,816.96

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Solution

The fourth proportional to 122,694.72, 184,075.60 and 43,816.96 is: 65,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,694.72 : 184,075.60 = 43,816.96 : x
  2. Step 2: Convert to fraction form
    122,694.72/184,075.60 = 43,816.96/x
  3. Step 3: Cross multiply
    122,694.72x = 184,075.60 × 43,816.96
  4. Step 4: Simplify right side
    122,694.72x = 8,065,633,202.18
  5. Step 5: Solve for x
    x = 8,065,633,202.18/122,694.72
  6. Step 6: Final answer
    x = 65,737.41

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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.