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Finding the Fourth Proportional to 74,671.44, 103,046.52 and 41,137.44

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Solution

The fourth proportional to 74,671.44, 103,046.52 and 41,137.44 is: 56,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,671.44 : 103,046.52 = 41,137.44 : x
  2. Step 2: Convert to fraction form
    74,671.44/103,046.52 = 41,137.44/x
  3. Step 3: Cross multiply
    74,671.44x = 103,046.52 × 41,137.44
  4. Step 4: Simplify right side
    74,671.44x = 4,239,070,033.71
  5. Step 5: Solve for x
    x = 4,239,070,033.71/74,671.44
  6. Step 6: Final answer
    x = 56,769.63

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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.