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Finding the Fourth Proportional to 133,620.80, 184,396.48 and 73,194

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Solution

The fourth proportional to 133,620.80, 184,396.48 and 73,194 is: 101,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,620.80 : 184,396.48 = 73,194 : x
  2. Step 2: Convert to fraction form
    133,620.80/184,396.48 = 73,194/x
  3. Step 3: Cross multiply
    133,620.80x = 184,396.48 × 73,194
  4. Step 4: Simplify right side
    133,620.80x = 13,496,715,957.12
  5. Step 5: Solve for x
    x = 13,496,715,957.12/133,620.80
  6. Step 6: Final answer
    x = 101,007.60

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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.