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Finding the Fourth Proportional to 167,419.73, 251,020.55 and 60,783.64

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Solution

The fourth proportional to 167,419.73, 251,020.55 and 60,783.64 is: 91,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,419.73 : 251,020.55 = 60,783.64 : x
  2. Step 2: Convert to fraction form
    167,419.73/251,020.55 = 60,783.64/x
  3. Step 3: Cross multiply
    167,419.73x = 251,020.55 × 60,783.64
  4. Step 4: Simplify right side
    167,419.73x = 15,257,942,268.21
  5. Step 5: Solve for x
    x = 15,257,942,268.21/167,419.73
  6. Step 6: Final answer
    x = 91,135.87

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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.