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Finding the Fourth Proportional to 123,971.43, 171,162.96 and 95,239.92

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Solution

The fourth proportional to 123,971.43, 171,162.96 and 95,239.92 is: 131,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,971.43 : 171,162.96 = 95,239.92 : x
  2. Step 2: Convert to fraction form
    123,971.43/171,162.96 = 95,239.92/x
  3. Step 3: Cross multiply
    123,971.43x = 171,162.96 × 95,239.92
  4. Step 4: Simplify right side
    123,971.43x = 16,301,546,617.36
  5. Step 5: Solve for x
    x = 16,301,546,617.36/123,971.43
  6. Step 6: Final answer
    x = 131,494.38

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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.