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Finding the Fourth Proportional to 73,126.76, 100,914.96 and 39,592.76

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Solution

The fourth proportional to 73,126.76, 100,914.96 and 39,592.76 is: 54,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,126.76 : 100,914.96 = 39,592.76 : x
  2. Step 2: Convert to fraction form
    73,126.76/100,914.96 = 39,592.76/x
  3. Step 3: Cross multiply
    73,126.76x = 100,914.96 × 39,592.76
  4. Step 4: Simplify right side
    73,126.76x = 3,995,501,791.69
  5. Step 5: Solve for x
    x = 3,995,501,791.69/73,126.76
  6. Step 6: Final answer
    x = 54,638.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.