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Finding the Fourth Proportional to 73,610.99, 110,426.82 and 36,172.54

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Solution

The fourth proportional to 73,610.99, 110,426.82 and 36,172.54 is: 54,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,610.99 : 110,426.82 = 36,172.54 : x
  2. Step 2: Convert to fraction form
    73,610.99/110,426.82 = 36,172.54/x
  3. Step 3: Cross multiply
    73,610.99x = 110,426.82 × 36,172.54
  4. Step 4: Simplify right side
    73,610.99x = 3,994,418,667.64
  5. Step 5: Solve for x
    x = 3,994,418,667.64/73,610.99
  6. Step 6: Final answer
    x = 54,263.89

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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.