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Finding the Fourth Proportional to 166,998.88, 230,474.40 and 95,389.60

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Solution

The fourth proportional to 166,998.88, 230,474.40 and 95,389.60 is: 131,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,998.88 : 230,474.40 = 95,389.60 : x
  2. Step 2: Convert to fraction form
    166,998.88/230,474.40 = 95,389.60/x
  3. Step 3: Cross multiply
    166,998.88x = 230,474.40 × 95,389.60
  4. Step 4: Simplify right side
    166,998.88x = 21,984,860,826.24
  5. Step 5: Solve for x
    x = 21,984,860,826.24/166,998.88
  6. Step 6: Final answer
    x = 131,646.76

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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.