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Finding the Fourth Proportional to 120,956.00, 166,924.95 and 67,241.87

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Solution

The fourth proportional to 120,956.00, 166,924.95 and 67,241.87 is: 92,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,956.00 : 166,924.95 = 67,241.87 : x
  2. Step 2: Convert to fraction form
    120,956.00/166,924.95 = 67,241.87/x
  3. Step 3: Cross multiply
    120,956.00x = 166,924.95 × 67,241.87
  4. Step 4: Simplify right side
    120,956.00x = 11,224,344,953.03
  5. Step 5: Solve for x
    x = 11,224,344,953.03/120,956.00
  6. Step 6: Final answer
    x = 92,796.93

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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.