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Finding the Fourth Proportional to 459,969.72, 689,906.01 and 123,044.37

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Solution

The fourth proportional to 459,969.72, 689,906.01 and 123,044.37 is: 184,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,969.72 : 689,906.01 = 123,044.37 : x
  2. Step 2: Convert to fraction form
    459,969.72/689,906.01 = 123,044.37/x
  3. Step 3: Cross multiply
    459,969.72x = 689,906.01 × 123,044.37
  4. Step 4: Simplify right side
    459,969.72x = 84,889,046,910.13
  5. Step 5: Solve for x
    x = 84,889,046,910.13/459,969.72
  6. Step 6: Final answer
    x = 184,553.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.