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Finding the Fourth Proportional to 60,203.88, 83,080.44 and 32,979.75

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Solution

The fourth proportional to 60,203.88, 83,080.44 and 32,979.75 is: 45,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,203.88 : 83,080.44 = 32,979.75 : x
  2. Step 2: Convert to fraction form
    60,203.88/83,080.44 = 32,979.75/x
  3. Step 3: Cross multiply
    60,203.88x = 83,080.44 × 32,979.75
  4. Step 4: Simplify right side
    60,203.88x = 2,739,972,141.09
  5. Step 5: Solve for x
    x = 2,739,972,141.09/60,203.88
  6. Step 6: Final answer
    x = 45,511.55

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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.