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Finding the Fourth Proportional to 133,472.52, 184,174.29 and 76,872.96

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Solution

The fourth proportional to 133,472.52, 184,174.29 and 76,872.96 is: 106,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,472.52 : 184,174.29 = 76,872.96 : x
  2. Step 2: Convert to fraction form
    133,472.52/184,174.29 = 76,872.96/x
  3. Step 3: Cross multiply
    133,472.52x = 184,174.29 × 76,872.96
  4. Step 4: Simplify right side
    133,472.52x = 14,158,022,828.20
  5. Step 5: Solve for x
    x = 14,158,022,828.20/133,472.52
  6. Step 6: Final answer
    x = 106,074.44

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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.