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Finding the Fourth Proportional to 78,671.74, 108,563.22 and 44,675.74

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Solution

The fourth proportional to 78,671.74, 108,563.22 and 44,675.74 is: 61,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,671.74 : 108,563.22 = 44,675.74 : x
  2. Step 2: Convert to fraction form
    78,671.74/108,563.22 = 44,675.74/x
  3. Step 3: Cross multiply
    78,671.74x = 108,563.22 × 44,675.74
  4. Step 4: Simplify right side
    78,671.74x = 4,850,142,190.28
  5. Step 5: Solve for x
    x = 4,850,142,190.28/78,671.74
  6. Step 6: Final answer
    x = 61,650.37

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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.