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Finding the Fourth Proportional to 73,752.06, 110,489.31 and 43,677.30

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Solution

The fourth proportional to 73,752.06, 110,489.31 and 43,677.30 is: 65,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,752.06 : 110,489.31 = 43,677.30 : x
  2. Step 2: Convert to fraction form
    73,752.06/110,489.31 = 43,677.30/x
  3. Step 3: Cross multiply
    73,752.06x = 110,489.31 × 43,677.30
  4. Step 4: Simplify right side
    73,752.06x = 4,825,874,739.66
  5. Step 5: Solve for x
    x = 4,825,874,739.66/73,752.06
  6. Step 6: Final answer
    x = 65,433.76

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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.