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Finding the Fourth Proportional to 123,099.97, 184,674.80 and 38,873.29

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Solution

The fourth proportional to 123,099.97, 184,674.80 and 38,873.29 is: 58,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,099.97 : 184,674.80 = 38,873.29 : x
  2. Step 2: Convert to fraction form
    123,099.97/184,674.80 = 38,873.29/x
  3. Step 3: Cross multiply
    123,099.97x = 184,674.80 × 38,873.29
  4. Step 4: Simplify right side
    123,099.97x = 7,178,917,056.09
  5. Step 5: Solve for x
    x = 7,178,917,056.09/123,099.97
  6. Step 6: Final answer
    x = 58,317.78

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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.