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Finding the Fourth Proportional to 133,474.20, 184,192.80 and 73,044.12

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Solution

The fourth proportional to 133,474.20, 184,192.80 and 73,044.12 is: 100,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,474.20 : 184,192.80 = 73,044.12 : x
  2. Step 2: Convert to fraction form
    133,474.20/184,192.80 = 73,044.12/x
  3. Step 3: Cross multiply
    133,474.20x = 184,192.80 × 73,044.12
  4. Step 4: Simplify right side
    133,474.20x = 13,454,200,986.34
  5. Step 5: Solve for x
    x = 13,454,200,986.34/133,474.20
  6. Step 6: Final answer
    x = 100,800.01

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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.