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Finding the Fourth Proportional to 215,959.84, 324,033.32 and 116,003.41

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Solution

The fourth proportional to 215,959.84, 324,033.32 and 116,003.41 is: 174,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,959.84 : 324,033.32 = 116,003.41 : x
  2. Step 2: Convert to fraction form
    215,959.84/324,033.32 = 116,003.41/x
  3. Step 3: Cross multiply
    215,959.84x = 324,033.32 × 116,003.41
  4. Step 4: Simplify right side
    215,959.84x = 37,588,970,073.62
  5. Step 5: Solve for x
    x = 37,588,970,073.62/215,959.84
  6. Step 6: Final answer
    x = 174,055.37

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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.