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Finding the Fourth Proportional to 133,619.22, 184,394.48 and 73,193.64

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Solution

The fourth proportional to 133,619.22, 184,394.48 and 73,193.64 is: 101,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619.22 : 184,394.48 = 73,193.64 : x
  2. Step 2: Convert to fraction form
    133,619.22/184,394.48 = 73,193.64/x
  3. Step 3: Cross multiply
    133,619.22x = 184,394.48 × 73,193.64
  4. Step 4: Simplify right side
    133,619.22x = 13,496,503,187.11
  5. Step 5: Solve for x
    x = 13,496,503,187.11/133,619.22
  6. Step 6: Final answer
    x = 101,007.20

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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.