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Finding the Fourth Proportional to 63,079.78, 87,046.12 and 36,203.37

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Solution

The fourth proportional to 63,079.78, 87,046.12 and 36,203.37 is: 49,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,079.78 : 87,046.12 = 36,203.37 : x
  2. Step 2: Convert to fraction form
    63,079.78/87,046.12 = 36,203.37/x
  3. Step 3: Cross multiply
    63,079.78x = 87,046.12 × 36,203.37
  4. Step 4: Simplify right side
    63,079.78x = 3,151,362,889.42
  5. Step 5: Solve for x
    x = 3,151,362,889.42/63,079.78
  6. Step 6: Final answer
    x = 49,958.37

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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.