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Finding the Fourth Proportional to 133,505, 184,237.44 and 73,889

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Solution

The fourth proportional to 133,505, 184,237.44 and 73,889 is: 101,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,505 : 184,237.44 = 73,889 : x
  2. Step 2: Convert to fraction form
    133,505/184,237.44 = 73,889/x
  3. Step 3: Cross multiply
    133,505x = 184,237.44 × 73,889
  4. Step 4: Simplify right side
    133,505x = 13,613,120,204.16
  5. Step 5: Solve for x
    x = 13,613,120,204.16/133,505
  6. Step 6: Final answer
    x = 101,967.12

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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.