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Finding the Fourth Proportional to 118,694.84, 177,984.82 and 43,850.24

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Solution

The fourth proportional to 118,694.84, 177,984.82 and 43,850.24 is: 65,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,694.84 : 177,984.82 = 43,850.24 : x
  2. Step 2: Convert to fraction form
    118,694.84/177,984.82 = 43,850.24/x
  3. Step 3: Cross multiply
    118,694.84x = 177,984.82 × 43,850.24
  4. Step 4: Simplify right side
    118,694.84x = 7,804,677,073.36
  5. Step 5: Solve for x
    x = 7,804,677,073.36/118,694.84
  6. Step 6: Final answer
    x = 65,754.14

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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.