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Finding the Fourth Proportional to 240,166.06, 331,382.06 and 144,678

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Solution

The fourth proportional to 240,166.06, 331,382.06 and 144,678 is: 199,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,166.06 : 331,382.06 = 144,678 : x
  2. Step 2: Convert to fraction form
    240,166.06/331,382.06 = 144,678/x
  3. Step 3: Cross multiply
    240,166.06x = 331,382.06 × 144,678
  4. Step 4: Simplify right side
    240,166.06x = 47,943,693,676.68
  5. Step 5: Solve for x
    x = 47,943,693,676.68/240,166.06
  6. Step 6: Final answer
    x = 199,627.26

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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.