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Finding the Fourth Proportional to 73,040.24, 100,704.16 and 60,958.08

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Solution

The fourth proportional to 73,040.24, 100,704.16 and 60,958.08 is: 84,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,040.24 : 100,704.16 = 60,958.08 : x
  2. Step 2: Convert to fraction form
    73,040.24/100,704.16 = 60,958.08/x
  3. Step 3: Cross multiply
    73,040.24x = 100,704.16 × 60,958.08
  4. Step 4: Simplify right side
    73,040.24x = 6,138,732,241.61
  5. Step 5: Solve for x
    x = 6,138,732,241.61/73,040.24
  6. Step 6: Final answer
    x = 84,045.89

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Why These Related Problems?

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