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Finding the Fourth Proportional to 240,010.65, 331,208.28 and 132,578.37

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Solution

The fourth proportional to 240,010.65, 331,208.28 and 132,578.37 is: 182,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,010.65 : 331,208.28 = 132,578.37 : x
  2. Step 2: Convert to fraction form
    240,010.65/331,208.28 = 132,578.37/x
  3. Step 3: Cross multiply
    240,010.65x = 331,208.28 × 132,578.37
  4. Step 4: Simplify right side
    240,010.65x = 43,911,053,892.90
  5. Step 5: Solve for x
    x = 43,911,053,892.90/240,010.65
  6. Step 6: Final answer
    x = 182,954.61

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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.