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Finding the Fourth Proportional to 133,840.35, 184,629.72 and 79,360.82

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Solution

The fourth proportional to 133,840.35, 184,629.72 and 79,360.82 is: 109,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,840.35 : 184,629.72 = 79,360.82 : x
  2. Step 2: Convert to fraction form
    133,840.35/184,629.72 = 79,360.82/x
  3. Step 3: Cross multiply
    133,840.35x = 184,629.72 × 79,360.82
  4. Step 4: Simplify right side
    133,840.35x = 14,652,365,052.42
  5. Step 5: Solve for x
    x = 14,652,365,052.42/133,840.35
  6. Step 6: Final answer
    x = 109,476.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.