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Finding the Fourth Proportional to 76,630.56, 105,748.50 and 44,366.54

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Solution

The fourth proportional to 76,630.56, 105,748.50 and 44,366.54 is: 61,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,630.56 : 105,748.50 = 44,366.54 : x
  2. Step 2: Convert to fraction form
    76,630.56/105,748.50 = 44,366.54/x
  3. Step 3: Cross multiply
    76,630.56x = 105,748.50 × 44,366.54
  4. Step 4: Simplify right side
    76,630.56x = 4,691,694,692.82
  5. Step 5: Solve for x
    x = 4,691,694,692.82/76,630.56
  6. Step 6: Final answer
    x = 61,224.85

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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.