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Finding the Fourth Proportional to 133,863.82, 184,733.49 and 73,434.58

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Solution

The fourth proportional to 133,863.82, 184,733.49 and 73,434.58 is: 101,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,863.82 : 184,733.49 = 73,434.58 : x
  2. Step 2: Convert to fraction form
    133,863.82/184,733.49 = 73,434.58/x
  3. Step 3: Cross multiply
    133,863.82x = 184,733.49 × 73,434.58
  4. Step 4: Simplify right side
    133,863.82x = 13,565,826,250.08
  5. Step 5: Solve for x
    x = 13,565,826,250.08/133,863.82
  6. Step 6: Final answer
    x = 101,340.50

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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.