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Finding the Fourth Proportional to 63,076.90, 87,042.18 and 36,200.50

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Solution

The fourth proportional to 63,076.90, 87,042.18 and 36,200.50 is: 49,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,076.90 : 87,042.18 = 36,200.50 : x
  2. Step 2: Convert to fraction form
    63,076.90/87,042.18 = 36,200.50/x
  3. Step 3: Cross multiply
    63,076.90x = 87,042.18 × 36,200.50
  4. Step 4: Simplify right side
    63,076.90x = 3,150,970,437.09
  5. Step 5: Solve for x
    x = 3,150,970,437.09/63,076.90
  6. Step 6: Final answer
    x = 49,954.43

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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.