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Finding the Fourth Proportional to 123,326.21, 184,977.20 and 83,600.39

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Solution

The fourth proportional to 123,326.21, 184,977.20 and 83,600.39 is: 125,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,326.21 : 184,977.20 = 83,600.39 : x
  2. Step 2: Convert to fraction form
    123,326.21/184,977.20 = 83,600.39/x
  3. Step 3: Cross multiply
    123,326.21x = 184,977.20 × 83,600.39
  4. Step 4: Simplify right side
    123,326.21x = 15,464,166,732.55
  5. Step 5: Solve for x
    x = 15,464,166,732.55/123,326.21
  6. Step 6: Final answer
    x = 125,392.38

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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.