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Finding the Fourth Proportional to 63,080.28, 87,046.81 and 36,203.87

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Solution

The fourth proportional to 63,080.28, 87,046.81 and 36,203.87 is: 49,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,080.28 : 87,046.81 = 36,203.87 : x
  2. Step 2: Convert to fraction form
    63,080.28/87,046.81 = 36,203.87/x
  3. Step 3: Cross multiply
    63,080.28x = 87,046.81 × 36,203.87
  4. Step 4: Simplify right side
    63,080.28x = 3,151,431,393.15
  5. Step 5: Solve for x
    x = 3,151,431,393.15/63,080.28
  6. Step 6: Final answer
    x = 49,959.06

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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.