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Finding the Fourth Proportional to 60,940.98, 91,306.92 and 54,777.96

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Solution

The fourth proportional to 60,940.98, 91,306.92 and 54,777.96 is: 82,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,940.98 : 91,306.92 = 54,777.96 : x
  2. Step 2: Convert to fraction form
    60,940.98/91,306.92 = 54,777.96/x
  3. Step 3: Cross multiply
    60,940.98x = 91,306.92 × 54,777.96
  4. Step 4: Simplify right side
    60,940.98x = 5,001,606,811.48
  5. Step 5: Solve for x
    x = 5,001,606,811.48/60,940.98
  6. Step 6: Final answer
    x = 82,072.96

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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.