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Finding the Fourth Proportional to 122,885.44, 184,091.95 and 75,361.93

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Solution

The fourth proportional to 122,885.44, 184,091.95 and 75,361.93 is: 112,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,885.44 : 184,091.95 = 75,361.93 : x
  2. Step 2: Convert to fraction form
    122,885.44/184,091.95 = 75,361.93/x
  3. Step 3: Cross multiply
    122,885.44x = 184,091.95 × 75,361.93
  4. Step 4: Simplify right side
    122,885.44x = 13,873,524,649.46
  5. Step 5: Solve for x
    x = 13,873,524,649.46/122,885.44
  6. Step 6: Final answer
    x = 112,898.03

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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.