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Finding the Fourth Proportional to 123,276.60, 184,942.62 and 39,041.82

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Solution

The fourth proportional to 123,276.60, 184,942.62 and 39,041.82 is: 58,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,276.60 : 184,942.62 = 39,041.82 : x
  2. Step 2: Convert to fraction form
    123,276.60/184,942.62 = 39,041.82/x
  3. Step 3: Cross multiply
    123,276.60x = 184,942.62 × 39,041.82
  4. Step 4: Simplify right side
    123,276.60x = 7,220,496,480.37
  5. Step 5: Solve for x
    x = 7,220,496,480.37/123,276.60
  6. Step 6: Final answer
    x = 58,571.51

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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.