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Finding the Fourth Proportional to 169,278.93, 253,960.38 and 119,456.37

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Solution

The fourth proportional to 169,278.93, 253,960.38 and 119,456.37 is: 179,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,278.93 : 253,960.38 = 119,456.37 : x
  2. Step 2: Convert to fraction form
    169,278.93/253,960.38 = 119,456.37/x
  3. Step 3: Cross multiply
    169,278.93x = 253,960.38 × 119,456.37
  4. Step 4: Simplify right side
    169,278.93x = 30,337,185,118.62
  5. Step 5: Solve for x
    x = 30,337,185,118.62/169,278.93
  6. Step 6: Final answer
    x = 179,214.18

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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.