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Finding the Fourth Proportional to 123,375.44, 185,064.67 and 43,415.79

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Solution

The fourth proportional to 123,375.44, 185,064.67 and 43,415.79 is: 65,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,375.44 : 185,064.67 = 43,415.79 : x
  2. Step 2: Convert to fraction form
    123,375.44/185,064.67 = 43,415.79/x
  3. Step 3: Cross multiply
    123,375.44x = 185,064.67 × 43,415.79
  4. Step 4: Simplify right side
    123,375.44x = 8,034,728,903.41
  5. Step 5: Solve for x
    x = 8,034,728,903.41/123,375.44
  6. Step 6: Final answer
    x = 65,124.22

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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.