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Finding the Fourth Proportional to 166,840.56, 250,480.08 and 99,496.08

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Solution

The fourth proportional to 166,840.56, 250,480.08 and 99,496.08 is: 149,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,840.56 : 250,480.08 = 99,496.08 : x
  2. Step 2: Convert to fraction form
    166,840.56/250,480.08 = 99,496.08/x
  3. Step 3: Cross multiply
    166,840.56x = 250,480.08 × 99,496.08
  4. Step 4: Simplify right side
    166,840.56x = 24,921,786,078.09
  5. Step 5: Solve for x
    x = 24,921,786,078.09/166,840.56
  6. Step 6: Final answer
    x = 149,374.86

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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.