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Finding the Fourth Proportional to 133,993.76, 184,910.61 and 73,565.42

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Solution

The fourth proportional to 133,993.76, 184,910.61 and 73,565.42 is: 101,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,993.76 : 184,910.61 = 73,565.42 : x
  2. Step 2: Convert to fraction form
    133,993.76/184,910.61 = 73,565.42/x
  3. Step 3: Cross multiply
    133,993.76x = 184,910.61 × 73,565.42
  4. Step 4: Simplify right side
    133,993.76x = 13,603,026,687.11
  5. Step 5: Solve for x
    x = 13,603,026,687.11/133,993.76
  6. Step 6: Final answer
    x = 101,519.85

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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.