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Finding the Fourth Proportional to 122,747.76, 184,114.08 and 43,858.08

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Solution

The fourth proportional to 122,747.76, 184,114.08 and 43,858.08 is: 65,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,747.76 : 184,114.08 = 43,858.08 : x
  2. Step 2: Convert to fraction form
    122,747.76/184,114.08 = 43,858.08/x
  3. Step 3: Cross multiply
    122,747.76x = 184,114.08 × 43,858.08
  4. Step 4: Simplify right side
    122,747.76x = 8,074,890,049.77
  5. Step 5: Solve for x
    x = 8,074,890,049.77/122,747.76
  6. Step 6: Final answer
    x = 65,784.42

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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.