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Finding the Fourth Proportional to 65,983.68, 98,858.88 and 43,744.32

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Solution

The fourth proportional to 65,983.68, 98,858.88 and 43,744.32 is: 65,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,983.68 : 98,858.88 = 43,744.32 : x
  2. Step 2: Convert to fraction form
    65,983.68/98,858.88 = 43,744.32/x
  3. Step 3: Cross multiply
    65,983.68x = 98,858.88 × 43,744.32
  4. Step 4: Simplify right side
    65,983.68x = 4,324,514,481.56
  5. Step 5: Solve for x
    x = 4,324,514,481.56/65,983.68
  6. Step 6: Final answer
    x = 65,539.15

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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.