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Finding the Fourth Proportional to 167,703.89, 251,563.73 and 55,394.15

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Solution

The fourth proportional to 167,703.89, 251,563.73 and 55,394.15 is: 83,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,703.89 : 251,563.73 = 55,394.15 : x
  2. Step 2: Convert to fraction form
    167,703.89/251,563.73 = 55,394.15/x
  3. Step 3: Cross multiply
    167,703.89x = 251,563.73 × 55,394.15
  4. Step 4: Simplify right side
    167,703.89x = 13,935,157,459.39
  5. Step 5: Solve for x
    x = 13,935,157,459.39/167,703.89
  6. Step 6: Final answer
    x = 83,093.83

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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.