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Finding the Fourth Proportional to 64,168.31, 96,250.83 and 17,419.97

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Solution

The fourth proportional to 64,168.31, 96,250.83 and 17,419.97 is: 26,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168.31 : 96,250.83 = 17,419.97 : x
  2. Step 2: Convert to fraction form
    64,168.31/96,250.83 = 17,419.97/x
  3. Step 3: Cross multiply
    64,168.31x = 96,250.83 × 17,419.97
  4. Step 4: Simplify right side
    64,168.31x = 1,676,686,571.08
  5. Step 5: Solve for x
    x = 1,676,686,571.08/64,168.31
  6. Step 6: Final answer
    x = 26,129.51

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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.