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Finding the Fourth Proportional to 236,046.31, 354,174.12 and 123,699.82

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Solution

The fourth proportional to 236,046.31, 354,174.12 and 123,699.82 is: 185,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,046.31 : 354,174.12 = 123,699.82 : x
  2. Step 2: Convert to fraction form
    236,046.31/354,174.12 = 123,699.82/x
  3. Step 3: Cross multiply
    236,046.31x = 354,174.12 × 123,699.82
  4. Step 4: Simplify right side
    236,046.31x = 43,811,273,719.13
  5. Step 5: Solve for x
    x = 43,811,273,719.13/236,046.31
  6. Step 6: Final answer
    x = 185,604.57

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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.