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Finding the Fourth Proportional to 73,810.58, 110,519.31 and 38,676.74

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Solution

The fourth proportional to 73,810.58, 110,519.31 and 38,676.74 is: 57,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,810.58 : 110,519.31 = 38,676.74 : x
  2. Step 2: Convert to fraction form
    73,810.58/110,519.31 = 38,676.74/x
  3. Step 3: Cross multiply
    73,810.58x = 110,519.31 × 38,676.74
  4. Step 4: Simplify right side
    73,810.58x = 4,274,526,617.85
  5. Step 5: Solve for x
    x = 4,274,526,617.85/73,810.58
  6. Step 6: Final answer
    x = 57,912.11

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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.