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Finding the Fourth Proportional to 167,773.72, 251,628.09 and 65,190.87

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Solution

The fourth proportional to 167,773.72, 251,628.09 and 65,190.87 is: 97,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,773.72 : 251,628.09 = 65,190.87 : x
  2. Step 2: Convert to fraction form
    167,773.72/251,628.09 = 65,190.87/x
  3. Step 3: Cross multiply
    167,773.72x = 251,628.09 × 65,190.87
  4. Step 4: Simplify right side
    167,773.72x = 16,403,854,255.10
  5. Step 5: Solve for x
    x = 16,403,854,255.10/167,773.72
  6. Step 6: Final answer
    x = 97,773.68

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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.