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Finding the Fourth Proportional to 63,670.80, 95,608.20 and 50,631.60

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Solution

The fourth proportional to 63,670.80, 95,608.20 and 50,631.60 is: 76,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.80 : 95,608.20 = 50,631.60 : x
  2. Step 2: Convert to fraction form
    63,670.80/95,608.20 = 50,631.60/x
  3. Step 3: Cross multiply
    63,670.80x = 95,608.20 × 50,631.60
  4. Step 4: Simplify right side
    63,670.80x = 4,840,796,139.12
  5. Step 5: Solve for x
    x = 4,840,796,139.12/63,670.80
  6. Step 6: Final answer
    x = 76,028.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.