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Finding the Fourth Proportional to 123,182.69, 184,772.41 and 29,687.63

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Solution

The fourth proportional to 123,182.69, 184,772.41 and 29,687.63 is: 44,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,182.69 : 184,772.41 = 29,687.63 : x
  2. Step 2: Convert to fraction form
    123,182.69/184,772.41 = 29,687.63/x
  3. Step 3: Cross multiply
    123,182.69x = 184,772.41 × 29,687.63
  4. Step 4: Simplify right side
    123,182.69x = 5,485,453,869.99
  5. Step 5: Solve for x
    x = 5,485,453,869.99/123,182.69
  6. Step 6: Final answer
    x = 44,531.05

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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.