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Finding the Fourth Proportional to 63,137.44, 87,124.71 and 37,641.88

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Solution

The fourth proportional to 63,137.44, 87,124.71 and 37,641.88 is: 51,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,137.44 : 87,124.71 = 37,641.88 : x
  2. Step 2: Convert to fraction form
    63,137.44/87,124.71 = 37,641.88/x
  3. Step 3: Cross multiply
    63,137.44x = 87,124.71 × 37,641.88
  4. Step 4: Simplify right side
    63,137.44x = 3,279,537,878.85
  5. Step 5: Solve for x
    x = 3,279,537,878.85/63,137.44
  6. Step 6: Final answer
    x = 51,942.84

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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.