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Finding the Fourth Proportional to 162,495.92, 223,776.57 and 133,939.17

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Solution

The fourth proportional to 162,495.92, 223,776.57 and 133,939.17 is: 184,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,495.92 : 223,776.57 = 133,939.17 : x
  2. Step 2: Convert to fraction form
    162,495.92/223,776.57 = 133,939.17/x
  3. Step 3: Cross multiply
    162,495.92x = 223,776.57 × 133,939.17
  4. Step 4: Simplify right side
    162,495.92x = 29,972,448,553.52
  5. Step 5: Solve for x
    x = 29,972,448,553.52/162,495.92
  6. Step 6: Final answer
    x = 184,450.47

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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.