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Finding the Fourth Proportional to 133,760.88, 184,609.08 and 82,790.01

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Solution

The fourth proportional to 133,760.88, 184,609.08 and 82,790.01 is: 114,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,760.88 : 184,609.08 = 82,790.01 : x
  2. Step 2: Convert to fraction form
    133,760.88/184,609.08 = 82,790.01/x
  3. Step 3: Cross multiply
    133,760.88x = 184,609.08 × 82,790.01
  4. Step 4: Simplify right side
    133,760.88x = 15,283,787,579.29
  5. Step 5: Solve for x
    x = 15,283,787,579.29/133,760.88
  6. Step 6: Final answer
    x = 114,262.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.