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Finding the Fourth Proportional to 123,570.37, 185,369.96 and 44,721.73

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Solution

The fourth proportional to 123,570.37, 185,369.96 and 44,721.73 is: 67,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,570.37 : 185,369.96 = 44,721.73 : x
  2. Step 2: Convert to fraction form
    123,570.37/185,369.96 = 44,721.73/x
  3. Step 3: Cross multiply
    123,570.37x = 185,369.96 × 44,721.73
  4. Step 4: Simplify right side
    123,570.37x = 8,290,065,301.23
  5. Step 5: Solve for x
    x = 8,290,065,301.23/123,570.37
  6. Step 6: Final answer
    x = 67,087.81

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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.