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Finding the Fourth Proportional to 133,991.76, 184,907.85 and 73,563.42

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Solution

The fourth proportional to 133,991.76, 184,907.85 and 73,563.42 is: 101,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,991.76 : 184,907.85 = 73,563.42 : x
  2. Step 2: Convert to fraction form
    133,991.76/184,907.85 = 73,563.42/x
  3. Step 3: Cross multiply
    133,991.76x = 184,907.85 × 73,563.42
  4. Step 4: Simplify right side
    133,991.76x = 13,602,453,830.85
  5. Step 5: Solve for x
    x = 13,602,453,830.85/133,991.76
  6. Step 6: Final answer
    x = 101,517.09

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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.